20701900

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1114

約数の個数: 36

約数和(自身を含む): 45162040

約数和(自身を除く): 24460140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 859, 964, 1205, 1718, 2410, 3436, 4295, 4820, 6025, 8590, 12050, 17180, 21475, 24100, 42950, 85900, 207019, 414038, 828076, 1035095, 2070190, 4140380, 5175475, 10350950, 20701900]

約数ペア:

[(1, 20701900), (2, 10350950), (4, 5175475), (5, 4140380), (10, 2070190), (20, 1035095), (25, 828076), (50, 414038), (100, 207019), (241, 85900), (482, 42950), (859, 24100), (964, 21475), (1205, 17180), (1718, 12050), (2410, 8590), (3436, 6025), (4295, 4820)]