20074428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 55875456

約数和(自身を除く): 35801028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 311, 326, 396, 489, 622, 652, 933, 978, 1244, 1467, 1793, 1866, 1956, 2799, 2934, 3421, 3586, 3732, 5379, 5598, 5868, 6842, 7172, 10263, 10758, 11196, 13684, 16137, 20526, 21516, 30789, 32274, 41052, 50693, 61578, 64548, 101386, 123156, 152079, 202772, 304158, 456237, 557623, 608316, 912474, 1115246, 1672869, 1824948, 2230492, 3345738, 5018607, 6691476, 10037214, 20074428]

約数ペア:

[(1, 20074428), (2, 10037214), (3, 6691476), (4, 5018607), (6, 3345738), (9, 2230492), (11, 1824948), (12, 1672869), (18, 1115246), (22, 912474), (33, 608316), (36, 557623), (44, 456237), (66, 304158), (99, 202772), (132, 152079), (163, 123156), (198, 101386), (311, 64548), (326, 61578), (396, 50693), (489, 41052), (622, 32274), (652, 30789), (933, 21516), (978, 20526), (1244, 16137), (1467, 13684), (1793, 11196), (1866, 10758), (1956, 10263), (2799, 7172), (2934, 6842), (3421, 5868), (3586, 5598), (3732, 5379)]