20285184

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 54999952

約数和(自身を除く): 34714768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 433, 488, 732, 768, 866, 976, 1299, 1464, 1732, 1952, 2598, 2928, 3464, 3904, 5196, 5856, 6928, 7808, 10392, 11712, 13856, 15616, 20784, 23424, 26413, 27712, 41568, 46848, 52826, 55424, 79239, 83136, 105652, 110848, 158478, 166272, 211304, 316956, 332544, 422608, 633912, 845216, 1267824, 1690432, 2535648, 3380864, 5071296, 6761728, 10142592, 20285184]

約数ペア:

[(1, 20285184), (2, 10142592), (3, 6761728), (4, 5071296), (6, 3380864), (8, 2535648), (12, 1690432), (16, 1267824), (24, 845216), (32, 633912), (48, 422608), (61, 332544), (64, 316956), (96, 211304), (122, 166272), (128, 158478), (183, 110848), (192, 105652), (244, 83136), (256, 79239), (366, 55424), (384, 52826), (433, 46848), (488, 41568), (732, 27712), (768, 26413), (866, 23424), (976, 20784), (1299, 15616), (1464, 13856), (1732, 11712), (1952, 10392), (2598, 7808), (2928, 6928), (3464, 5856), (3904, 5196)]