20405351946

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{9915137}}^1$

素因数の和:9915163

約数の個数: 32

約数和(自身を含む): 47592662400

約数和(自身を除く): 27187310454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 9915137, 19830274, 29745411, 59490822, 69405959, 138811918, 208217877, 416435754, 485841713, 971683426, 1457525139, 2915050278, 3400891991, 6801783982, 10202675973, 20405351946]

約数ペア:

[(1, 20405351946), (2, 10202675973), (3, 6801783982), (6, 3400891991), (7, 2915050278), (14, 1457525139), (21, 971683426), (42, 485841713), (49, 416435754), (98, 208217877), (147, 138811918), (294, 69405959), (343, 59490822), (686, 29745411), (1029, 19830274), (2058, 9915137)]