20416896

素因数分解:

$2^7\times 3^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 40048704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 288, 296, 333, 384, 444, 479, 576, 592, 666, 888, 958, 1152, 1184, 1332, 1437, 1776, 1916, 2368, 2664, 2874, 3552, 3832, 4311, 4736, 5328, 5748, 7104, 7664, 8622, 10656, 11496, 14208, 15328, 17244, 17723, 21312, 22992, 30656, 34488, 35446, 42624, 45984, 53169, 61312, 68976, 70892, 91968, 106338, 137952, 141784, 159507, 183936, 212676, 275904, 283568, 319014, 425352, 551808, 567136, 638028, 850704, 1134272, 1276056, 1701408, 2268544, 2552112, 3402816, 5104224, 6805632, 10208448, 20416896]

約数ペア:

[(1, 20416896), (2, 10208448), (3, 6805632), (4, 5104224), (6, 3402816), (8, 2552112), (9, 2268544), (12, 1701408), (16, 1276056), (18, 1134272), (24, 850704), (32, 638028), (36, 567136), (37, 551808), (48, 425352), (64, 319014), (72, 283568), (74, 275904), (96, 212676), (111, 183936), (128, 159507), (144, 141784), (148, 137952), (192, 106338), (222, 91968), (288, 70892), (296, 68976), (333, 61312), (384, 53169), (444, 45984), (479, 42624), (576, 35446), (592, 34488), (666, 30656), (888, 22992), (958, 21312), (1152, 17723), (1184, 17244), (1332, 15328), (1437, 14208), (1776, 11496), (1916, 10656), (2368, 8622), (2664, 7664), (2874, 7104), (3552, 5748), (3832, 5328), (4311, 4736)]