20787264

素因数分解:

$2^6\times 3^2\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 84

約数和(自身を含む): 60228480

約数和(自身を除く): 39441216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 151, 192, 239, 288, 302, 453, 478, 576, 604, 717, 906, 956, 1208, 1359, 1434, 1812, 1912, 2151, 2416, 2718, 2868, 3624, 3824, 4302, 4832, 5436, 5736, 7248, 7648, 8604, 9664, 10872, 11472, 14496, 15296, 17208, 21744, 22944, 28992, 34416, 36089, 43488, 45888, 68832, 72178, 86976, 108267, 137664, 144356, 216534, 288712, 324801, 433068, 577424, 649602, 866136, 1154848, 1299204, 1732272, 2309696, 2598408, 3464544, 5196816, 6929088, 10393632, 20787264]

約数ペア:

[(1, 20787264), (2, 10393632), (3, 6929088), (4, 5196816), (6, 3464544), (8, 2598408), (9, 2309696), (12, 1732272), (16, 1299204), (18, 1154848), (24, 866136), (32, 649602), (36, 577424), (48, 433068), (64, 324801), (72, 288712), (96, 216534), (144, 144356), (151, 137664), (192, 108267), (239, 86976), (288, 72178), (302, 68832), (453, 45888), (478, 43488), (576, 36089), (604, 34416), (717, 28992), (906, 22944), (956, 21744), (1208, 17208), (1359, 15296), (1434, 14496), (1812, 11472), (1912, 10872), (2151, 9664), (2416, 8604), (2718, 7648), (2868, 7248), (3624, 5736), (3824, 5436), (4302, 4832)]