20263620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 62036352

約数和(自身を除く): 41772732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 83, 130, 156, 166, 195, 249, 260, 313, 332, 390, 415, 498, 626, 780, 830, 939, 996, 1079, 1245, 1252, 1565, 1660, 1878, 2158, 2490, 3130, 3237, 3756, 4069, 4316, 4695, 4980, 5395, 6260, 6474, 8138, 9390, 10790, 12207, 12948, 16185, 16276, 18780, 20345, 21580, 24414, 25979, 32370, 40690, 48828, 51958, 61035, 64740, 77937, 81380, 103916, 122070, 129895, 155874, 244140, 259790, 311748, 337727, 389685, 519580, 675454, 779370, 1013181, 1350908, 1558740, 1688635, 2026362, 3377270, 4052724, 5065905, 6754540, 10131810, 20263620]

約数ペア:

[(1, 20263620), (2, 10131810), (3, 6754540), (4, 5065905), (5, 4052724), (6, 3377270), (10, 2026362), (12, 1688635), (13, 1558740), (15, 1350908), (20, 1013181), (26, 779370), (30, 675454), (39, 519580), (52, 389685), (60, 337727), (65, 311748), (78, 259790), (83, 244140), (130, 155874), (156, 129895), (166, 122070), (195, 103916), (249, 81380), (260, 77937), (313, 64740), (332, 61035), (390, 51958), (415, 48828), (498, 40690), (626, 32370), (780, 25979), (830, 24414), (939, 21580), (996, 20345), (1079, 18780), (1245, 16276), (1252, 16185), (1565, 12948), (1660, 12207), (1878, 10790), (2158, 9390), (2490, 8138), (3130, 6474), (3237, 6260), (3756, 5395), (4069, 4980), (4316, 4695)]