20136607575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{271}}^1\times {\mathrm{20219}}^1$

素因数の和:20517

約数の個数: 72

約数和(自身を含む): 38872869120

約数和(自身を除く): 18736261545

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 271, 525, 735, 813, 1225, 1355, 1897, 3675, 4065, 5691, 6775, 9485, 13279, 20219, 20325, 28455, 39837, 47425, 60657, 66395, 101095, 141533, 142275, 199185, 303285, 331975, 424599, 505475, 707665, 990731, 995925, 1516425, 2122995, 2972193, 3538325, 4953655, 5479349, 10614975, 14860965, 16438047, 24768275, 27396745, 38355443, 74304825, 82190235, 115066329, 136983725, 191777215, 268488101, 410951175, 575331645, 805464303, 958886075, 1342440505, 2876658225, 4027321515, 6712202525, 20136607575]

約数ペア:

[(1, 20136607575), (3, 6712202525), (5, 4027321515), (7, 2876658225), (15, 1342440505), (21, 958886075), (25, 805464303), (35, 575331645), (49, 410951175), (75, 268488101), (105, 191777215), (147, 136983725), (175, 115066329), (245, 82190235), (271, 74304825), (525, 38355443), (735, 27396745), (813, 24768275), (1225, 16438047), (1355, 14860965), (1897, 10614975), (3675, 5479349), (4065, 4953655), (5691, 3538325), (6775, 2972193), (9485, 2122995), (13279, 1516425), (20219, 995925), (20325, 990731), (28455, 707665), (39837, 505475), (47425, 424599), (60657, 331975), (66395, 303285), (101095, 199185), (141533, 142275)]