20898318428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3687071}}^1$

素因数の和:3687197

約数の個数: 24

約数和(自身を含む): 39746636160

約数和(自身を除く): 18848317732

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 3687071, 7374142, 14748284, 47931923, 95863846, 191727692, 401890739, 803781478, 1607562956, 5224579607, 10449159214, 20898318428]

約数ペア:

[(1, 20898318428), (2, 10449159214), (4, 5224579607), (13, 1607562956), (26, 803781478), (52, 401890739), (109, 191727692), (218, 95863846), (436, 47931923), (1417, 14748284), (2834, 7374142), (5668, 3687071)]