20895350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 23887498

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 227, 263, 350, 454, 526, 1135, 1315, 1589, 1841, 2270, 2630, 3178, 3682, 5675, 6575, 7945, 9205, 11350, 13150, 15890, 18410, 39725, 46025, 59701, 79450, 92050, 119402, 298505, 417907, 597010, 835814, 1492525, 2089535, 2985050, 4179070, 10447675, 20895350]

約数ペア:

[(1, 20895350), (2, 10447675), (5, 4179070), (7, 2985050), (10, 2089535), (14, 1492525), (25, 835814), (35, 597010), (50, 417907), (70, 298505), (175, 119402), (227, 92050), (263, 79450), (350, 59701), (454, 46025), (526, 39725), (1135, 18410), (1315, 15890), (1589, 13150), (1841, 11350), (2270, 9205), (2630, 7945), (3178, 6575), (3682, 5675)]