20123992856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1\times {\mathrm{3163}}^1$

素因数の和:3744

約数の個数: 64

約数和(自身を含む): 41497505280

約数和(自身を除く): 21373512424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 367, 394, 734, 788, 1468, 1576, 2167, 2936, 3163, 4037, 4334, 6326, 8074, 8668, 12652, 16148, 17336, 25304, 32296, 34793, 69586, 72299, 139172, 144598, 278344, 289196, 578392, 623111, 795289, 1160821, 1246222, 1590578, 2321642, 2492444, 3181156, 4643284, 4984888, 6362312, 6854221, 9286568, 12769031, 13708442, 25538062, 27416884, 51076124, 54833768, 102152248, 228681737, 457363474, 914726948, 1829453896, 2515499107, 5030998214, 10061996428, 20123992856]

約数ペア:

[(1, 20123992856), (2, 10061996428), (4, 5030998214), (8, 2515499107), (11, 1829453896), (22, 914726948), (44, 457363474), (88, 228681737), (197, 102152248), (367, 54833768), (394, 51076124), (734, 27416884), (788, 25538062), (1468, 13708442), (1576, 12769031), (2167, 9286568), (2936, 6854221), (3163, 6362312), (4037, 4984888), (4334, 4643284), (6326, 3181156), (8074, 2492444), (8668, 2321642), (12652, 1590578), (16148, 1246222), (17336, 1160821), (25304, 795289), (32296, 623111), (34793, 578392), (69586, 289196), (72299, 278344), (139172, 144598)]