20811232

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2633}}^1$

素因数の和:2675

約数の個数: 48

約数和(自身を含む): 46463760

約数和(自身を除く): 25652528

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2633, 3952, 5266, 7904, 10532, 21064, 34229, 42128, 50027, 68458, 84256, 100054, 136916, 200108, 273832, 400216, 547664, 650351, 800432, 1095328, 1300702, 1600864, 2601404, 5202808, 10405616, 20811232]

約数ペア:

[(1, 20811232), (2, 10405616), (4, 5202808), (8, 2601404), (13, 1600864), (16, 1300702), (19, 1095328), (26, 800432), (32, 650351), (38, 547664), (52, 400216), (76, 273832), (104, 200108), (152, 136916), (208, 100054), (247, 84256), (304, 68458), (416, 50027), (494, 42128), (608, 34229), (988, 21064), (1976, 10532), (2633, 7904), (3952, 5266)]