20223567351

素因数分解:

$3^8\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 34851311040

約数和(自身を除く): 14627743689

約数列:

[1, 3, 9, 13, 23, 27, 39, 61, 69, 81, 117, 169, 183, 207, 243, 299, 351, 507, 549, 621, 729, 793, 897, 1053, 1403, 1521, 1647, 1863, 2187, 2197, 2379, 2691, 3159, 3887, 4209, 4563, 4941, 5589, 6561, 6591, 7137, 8073, 9477, 10309, 11661, 12627, 13689, 14823, 16767, 18239, 19773, 21411, 24219, 28431, 30927, 34983, 37881, 41067, 44469, 50301, 50531, 54717, 59319, 64233, 72657, 85293, 92781, 104949, 113643, 123201, 133407, 134017, 150903, 151593, 164151, 177957, 192699, 217971, 237107, 278343, 314847, 340929, 369603, 400221, 402051, 454779, 492453, 533871, 578097, 653913, 711321, 835029, 944541, 1022787, 1108809, 1206153, 1364337, 1477359, 1601613, 1734291, 1961739, 2133963, 2505087, 2833623, 3068361, 3082391, 3618459, 4093011, 4432077, 4804839, 5202873, 6401889, 7515261, 8500869, 9205083, 9247173, 10855377, 12279033, 13296231, 14414517, 19205667, 22545783, 25502607, 27741519, 32566131, 36837099, 39888693, 57617001, 67637349, 83224557, 97698393, 110511297, 119666079, 172851003, 249673671, 293095179, 331533891, 518553009, 749021013, 879285537, 1555659027, 2247063039, 6741189117, 20223567351]

約数ペア:

[(1, 20223567351), (3, 6741189117), (9, 2247063039), (13, 1555659027), (23, 879285537), (27, 749021013), (39, 518553009), (61, 331533891), (69, 293095179), (81, 249673671), (117, 172851003), (169, 119666079), (183, 110511297), (207, 97698393), (243, 83224557), (299, 67637349), (351, 57617001), (507, 39888693), (549, 36837099), (621, 32566131), (729, 27741519), (793, 25502607), (897, 22545783), (1053, 19205667), (1403, 14414517), (1521, 13296231), (1647, 12279033), (1863, 10855377), (2187, 9247173), (2197, 9205083), (2379, 8500869), (2691, 7515261), (3159, 6401889), (3887, 5202873), (4209, 4804839), (4563, 4432077), (4941, 4093011), (5589, 3618459), (6561, 3082391), (6591, 3068361), (7137, 2833623), (8073, 2505087), (9477, 2133963), (10309, 1961739), (11661, 1734291), (12627, 1601613), (13689, 1477359), (14823, 1364337), (16767, 1206153), (18239, 1108809), (19773, 1022787), (21411, 944541), (24219, 835029), (28431, 711321), (30927, 653913), (34983, 578097), (37881, 533871), (41067, 492453), (44469, 454779), (50301, 402051), (50531, 400221), (54717, 369603), (59319, 340929), (64233, 314847), (72657, 278343), (85293, 237107), (92781, 217971), (104949, 192699), (113643, 177957), (123201, 164151), (133407, 151593), (134017, 150903)]