20948300065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 36285677568

約数和(自身を除く): 15337377503

約数列:

[1, 5, 7, 11, 17, 23, 31, 35, 55, 67, 77, 85, 115, 119, 155, 161, 187, 217, 253, 335, 341, 385, 391, 469, 527, 595, 713, 737, 805, 935, 1085, 1139, 1265, 1309, 1541, 1705, 1771, 1955, 2077, 2345, 2387, 2635, 2737, 3565, 3685, 3689, 4301, 4489, 4991, 5159, 5695, 5797, 6545, 7705, 7843, 7973, 8855, 10385, 10787, 11935, 12121, 12529, 13685, 14539, 16951, 18445, 21505, 22445, 22847, 24955, 25795, 26197, 28985, 30107, 31423, 35309, 39215, 39865, 40579, 47771, 49379, 53935, 54901, 60605, 62645, 72695, 76313, 84755, 84847, 87703, 103247, 114235, 118657, 130985, 133331, 139159, 150535, 157115, 159929, 176545, 183379, 202895, 238855, 246895, 247163, 274505, 288167, 334397, 345653, 381565, 388399, 424235, 438515, 516235, 525481, 534191, 593285, 666655, 695795, 722729, 799645, 812107, 839443, 916895, 933317, 974113, 1135717, 1235815, 1440835, 1530749, 1671985, 1728265, 1755199, 1941995, 2017169, 2365703, 2627405, 2670955, 2718793, 3200657, 3613645, 3678367, 4060535, 4197215, 4666585, 4870565, 5678585, 5684749, 5876101, 7653745, 7950019, 8775995, 8933177, 10085845, 10715243, 11828515, 12286393, 13593965, 16003285, 16559921, 18391835, 19307189, 22404599, 26022733, 28423745, 29380505, 35207227, 39750095, 44665885, 53576215, 54411169, 61431965, 62532239, 82799605, 96535945, 112022995, 130113665, 135150323, 176036135, 182159131, 246450589, 272055845, 312661195, 380878183, 598522859, 675751615, 910795655, 1232252945, 1904390915, 2992614295, 4189660013, 20948300065]

約数ペア:

[(1, 20948300065), (5, 4189660013), (7, 2992614295), (11, 1904390915), (17, 1232252945), (23, 910795655), (31, 675751615), (35, 598522859), (55, 380878183), (67, 312661195), (77, 272055845), (85, 246450589), (115, 182159131), (119, 176036135), (155, 135150323), (161, 130113665), (187, 112022995), (217, 96535945), (253, 82799605), (335, 62532239), (341, 61431965), (385, 54411169), (391, 53576215), (469, 44665885), (527, 39750095), (595, 35207227), (713, 29380505), (737, 28423745), (805, 26022733), (935, 22404599), (1085, 19307189), (1139, 18391835), (1265, 16559921), (1309, 16003285), (1541, 13593965), (1705, 12286393), (1771, 11828515), (1955, 10715243), (2077, 10085845), (2345, 8933177), (2387, 8775995), (2635, 7950019), (2737, 7653745), (3565, 5876101), (3685, 5684749), (3689, 5678585), (4301, 4870565), (4489, 4666585), (4991, 4197215), (5159, 4060535), (5695, 3678367), (5797, 3613645), (6545, 3200657), (7705, 2718793), (7843, 2670955), (7973, 2627405), (8855, 2365703), (10385, 2017169), (10787, 1941995), (11935, 1755199), (12121, 1728265), (12529, 1671985), (13685, 1530749), (14539, 1440835), (16951, 1235815), (18445, 1135717), (21505, 974113), (22445, 933317), (22847, 916895), (24955, 839443), (25795, 812107), (26197, 799645), (28985, 722729), (30107, 695795), (31423, 666655), (35309, 593285), (39215, 534191), (39865, 525481), (40579, 516235), (47771, 438515), (49379, 424235), (53935, 388399), (54901, 381565), (60605, 345653), (62645, 334397), (72695, 288167), (76313, 274505), (84755, 247163), (84847, 246895), (87703, 238855), (103247, 202895), (114235, 183379), (118657, 176545), (130985, 159929), (133331, 157115), (139159, 150535)]