19660700

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:902

約数の個数: 36

約数和(自身を含む): 42856632

約数和(自身を除く): 23195932

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 467, 842, 934, 1684, 1868, 2105, 2335, 4210, 4670, 8420, 9340, 10525, 11675, 21050, 23350, 42100, 46700, 196607, 393214, 786428, 983035, 1966070, 3932140, 4915175, 9830350, 19660700]

約数ペア:

[(1, 19660700), (2, 9830350), (4, 4915175), (5, 3932140), (10, 1966070), (20, 983035), (25, 786428), (50, 393214), (100, 196607), (421, 46700), (467, 42100), (842, 23350), (934, 21050), (1684, 11675), (1868, 10525), (2105, 9340), (2335, 8420), (4210, 4670)]