20271104

素因数分解:

$2^{12}\times 7^2\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 78

約数和(自身を含む): 47622474

約数和(自身を除く): 27351370

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 101, 112, 128, 196, 202, 224, 256, 392, 404, 448, 512, 707, 784, 808, 896, 1024, 1414, 1568, 1616, 1792, 2048, 2828, 3136, 3232, 3584, 4096, 4949, 5656, 6272, 6464, 7168, 9898, 11312, 12544, 12928, 14336, 19796, 22624, 25088, 25856, 28672, 39592, 45248, 50176, 51712, 79184, 90496, 100352, 103424, 158368, 180992, 200704, 206848, 316736, 361984, 413696, 633472, 723968, 1266944, 1447936, 2533888, 2895872, 5067776, 10135552, 20271104]

約数ペア:

[(1, 20271104), (2, 10135552), (4, 5067776), (7, 2895872), (8, 2533888), (14, 1447936), (16, 1266944), (28, 723968), (32, 633472), (49, 413696), (56, 361984), (64, 316736), (98, 206848), (101, 200704), (112, 180992), (128, 158368), (196, 103424), (202, 100352), (224, 90496), (256, 79184), (392, 51712), (404, 50176), (448, 45248), (512, 39592), (707, 28672), (784, 25856), (808, 25088), (896, 22624), (1024, 19796), (1414, 14336), (1568, 12928), (1616, 12544), (1792, 11312), (2048, 9898), (2828, 7168), (3136, 6464), (3232, 6272), (3584, 5656), (4096, 4949)]