20172908925

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 40986265600

約数和(自身を除く): 20813356675

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 61, 65, 75, 117, 135, 169, 183, 195, 223, 225, 305, 325, 351, 507, 549, 585, 669, 675, 793, 845, 915, 975, 1115, 1521, 1525, 1647, 1755, 2007, 2197, 2379, 2535, 2745, 2899, 2925, 3345, 3965, 4225, 4563, 4575, 5575, 6021, 6591, 7137, 7605, 8235, 8697, 8775, 10035, 10309, 10985, 11895, 12675, 13603, 13725, 14495, 16725, 19773, 19825, 21411, 22815, 26091, 30105, 30927, 32955, 35685, 37687, 38025, 40809, 41175, 43485, 50175, 51545, 54925, 59319, 59475, 68015, 72475, 78273, 92781, 98865, 107055, 113061, 114075, 122427, 130455, 134017, 150525, 154635, 164775, 176839, 178425, 188435, 204045, 217425, 257725, 278343, 296595, 339183, 340075, 367281, 391365, 402051, 463905, 489931, 494325, 530517, 535275, 565305, 612135, 652275, 670085, 773175, 884195, 942175, 1017549, 1020225, 1206153, 1391715, 1469793, 1482975, 1591551, 1695915, 1836405, 1956825, 2010255, 2298907, 2319525, 2449655, 2652585, 2826525, 3060675, 3350425, 3618459, 4409379, 4420975, 4774653, 5087745, 6030765, 6896721, 6958575, 7348965, 7957755, 8479575, 9182025, 10051275, 11494535, 12248275, 13228137, 13262925, 18092295, 20690163, 22046895, 23873265, 25438725, 29885791, 30153825, 34483605, 36744825, 39788775, 57472675, 62070489, 66140685, 89657373, 90461475, 103450815, 110234475, 119366325, 149428955, 172418025, 268972119, 310352445, 330703425, 448286865, 517254075, 747144775, 806916357, 1344860595, 1551762225, 2241434325, 4034581785, 6724302975, 20172908925]

約数ペア:

[(1, 20172908925), (3, 6724302975), (5, 4034581785), (9, 2241434325), (13, 1551762225), (15, 1344860595), (25, 806916357), (27, 747144775), (39, 517254075), (45, 448286865), (61, 330703425), (65, 310352445), (75, 268972119), (117, 172418025), (135, 149428955), (169, 119366325), (183, 110234475), (195, 103450815), (223, 90461475), (225, 89657373), (305, 66140685), (325, 62070489), (351, 57472675), (507, 39788775), (549, 36744825), (585, 34483605), (669, 30153825), (675, 29885791), (793, 25438725), (845, 23873265), (915, 22046895), (975, 20690163), (1115, 18092295), (1521, 13262925), (1525, 13228137), (1647, 12248275), (1755, 11494535), (2007, 10051275), (2197, 9182025), (2379, 8479575), (2535, 7957755), (2745, 7348965), (2899, 6958575), (2925, 6896721), (3345, 6030765), (3965, 5087745), (4225, 4774653), (4563, 4420975), (4575, 4409379), (5575, 3618459), (6021, 3350425), (6591, 3060675), (7137, 2826525), (7605, 2652585), (8235, 2449655), (8697, 2319525), (8775, 2298907), (10035, 2010255), (10309, 1956825), (10985, 1836405), (11895, 1695915), (12675, 1591551), (13603, 1482975), (13725, 1469793), (14495, 1391715), (16725, 1206153), (19773, 1020225), (19825, 1017549), (21411, 942175), (22815, 884195), (26091, 773175), (30105, 670085), (30927, 652275), (32955, 612135), (35685, 565305), (37687, 535275), (38025, 530517), (40809, 494325), (41175, 489931), (43485, 463905), (50175, 402051), (51545, 391365), (54925, 367281), (59319, 340075), (59475, 339183), (68015, 296595), (72475, 278343), (78273, 257725), (92781, 217425), (98865, 204045), (107055, 188435), (113061, 178425), (114075, 176839), (122427, 164775), (130455, 154635), (134017, 150525)]