20425470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 64

約数和(自身を含む): 53512704

約数和(自身を除く): 33087234

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 631, 830, 1079, 1245, 1262, 1893, 2158, 2490, 3155, 3237, 3786, 5395, 6310, 6474, 8203, 9465, 10790, 16185, 16406, 18930, 24609, 32370, 41015, 49218, 52373, 82030, 104746, 123045, 157119, 246090, 261865, 314238, 523730, 680849, 785595, 1361698, 1571190, 2042547, 3404245, 4085094, 6808490, 10212735, 20425470]

約数ペア:

[(1, 20425470), (2, 10212735), (3, 6808490), (5, 4085094), (6, 3404245), (10, 2042547), (13, 1571190), (15, 1361698), (26, 785595), (30, 680849), (39, 523730), (65, 314238), (78, 261865), (83, 246090), (130, 157119), (166, 123045), (195, 104746), (249, 82030), (390, 52373), (415, 49218), (498, 41015), (631, 32370), (830, 24609), (1079, 18930), (1245, 16406), (1262, 16185), (1893, 10790), (2158, 9465), (2490, 8203), (3155, 6474), (3237, 6310), (3786, 5395)]