20124881408

素因数分解:

$2^9\times {\mathrm{1039}}^1\times {\mathrm{37831}}^1$

素因数の和:38888

約数の個数: 40

約数和(自身を含む): 40250221440

約数和(自身を除く): 20125340032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1039, 2078, 4156, 8312, 16624, 33248, 37831, 66496, 75662, 132992, 151324, 265984, 302648, 531968, 605296, 1210592, 2421184, 4842368, 9684736, 19369472, 39306409, 78612818, 157225636, 314451272, 628902544, 1257805088, 2515610176, 5031220352, 10062440704, 20124881408]

約数ペア:

[(1, 20124881408), (2, 10062440704), (4, 5031220352), (8, 2515610176), (16, 1257805088), (32, 628902544), (64, 314451272), (128, 157225636), (256, 78612818), (512, 39306409), (1039, 19369472), (2078, 9684736), (4156, 4842368), (8312, 2421184), (16624, 1210592), (33248, 605296), (37831, 531968), (66496, 302648), (75662, 265984), (132992, 151324)]