20211005988

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1109}}^1\times {\mathrm{10771}}^1$

素因数の和:11937

約数の個数: 72

約数和(自身を含む): 52227826560

約数和(自身を除く): 32016820572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1109, 1692, 2218, 3327, 4436, 6654, 9981, 10771, 13308, 19962, 21542, 32313, 39924, 43084, 52123, 64626, 96939, 104246, 129252, 156369, 193878, 208492, 312738, 387756, 469107, 506237, 625476, 938214, 1012474, 1518711, 1876428, 2024948, 3037422, 4556133, 6074844, 9112266, 11945039, 18224532, 23890078, 35835117, 47780156, 71670234, 107505351, 143340468, 215010702, 430021404, 561416833, 1122833666, 1684250499, 2245667332, 3368500998, 5052751497, 6737001996, 10105502994, 20211005988]

約数ペア:

[(1, 20211005988), (2, 10105502994), (3, 6737001996), (4, 5052751497), (6, 3368500998), (9, 2245667332), (12, 1684250499), (18, 1122833666), (36, 561416833), (47, 430021404), (94, 215010702), (141, 143340468), (188, 107505351), (282, 71670234), (423, 47780156), (564, 35835117), (846, 23890078), (1109, 18224532), (1692, 11945039), (2218, 9112266), (3327, 6074844), (4436, 4556133), (6654, 3037422), (9981, 2024948), (10771, 1876428), (13308, 1518711), (19962, 1012474), (21542, 938214), (32313, 625476), (39924, 506237), (43084, 469107), (52123, 387756), (64626, 312738), (96939, 208492), (104246, 193878), (129252, 156369)]