20011108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22637}}^1$

素因数の和:22671

約数の個数: 24

約数和(自身を含む): 39933432

約数和(自身を除く): 19922324

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22637, 45274, 90548, 294281, 384829, 588562, 769658, 1177124, 1539316, 5002777, 10005554, 20011108]

約数ペア:

[(1, 20011108), (2, 10005554), (4, 5002777), (13, 1539316), (17, 1177124), (26, 769658), (34, 588562), (52, 384829), (68, 294281), (221, 90548), (442, 45274), (884, 22637)]