20317656

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{15973}}^1$

素因数の和:16035

約数の個数: 32

約数和(自身を含む): 51755760

約数和(自身を除く): 31438104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 15973, 31946, 47919, 63892, 95838, 127784, 191676, 383352, 846569, 1693138, 2539707, 3386276, 5079414, 6772552, 10158828, 20317656]

約数ペア:

[(1, 20317656), (2, 10158828), (3, 6772552), (4, 5079414), (6, 3386276), (8, 2539707), (12, 1693138), (24, 846569), (53, 383352), (106, 191676), (159, 127784), (212, 95838), (318, 63892), (424, 47919), (636, 31946), (1272, 15973)]