20873435518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1\times {\mathrm{9817}}^1$

素因数の和:11428

約数の個数: 32

約数和(自身を含む): 34380593856

約数和(自身を除く): 13507158338

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 1543, 3086, 9817, 19634, 20059, 40118, 81779, 127621, 163558, 255242, 520301, 1040602, 1063127, 2126254, 6763913, 13527826, 15147631, 30295262, 196919203, 393838406, 802824443, 1605648886, 10436717759, 20873435518]

約数ペア:

[(1, 20873435518), (2, 10436717759), (13, 1605648886), (26, 802824443), (53, 393838406), (106, 196919203), (689, 30295262), (1378, 15147631), (1543, 13527826), (3086, 6763913), (9817, 2126254), (19634, 1063127), (20059, 1040602), (40118, 520301), (81779, 255242), (127621, 163558)]