20731635500

素因数分解:

$2^2\times 5^3\times {\mathrm{271}}^1\times {\mathrm{153001}}^1$

素因数の和:153291

約数の個数: 48

約数和(自身を含む): 45445266048

約数和(自身を除く): 24713630548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 271, 500, 542, 1084, 1355, 2710, 5420, 6775, 13550, 27100, 33875, 67750, 135500, 153001, 306002, 612004, 765005, 1530010, 3060020, 3825025, 7650050, 15300100, 19125125, 38250250, 41463271, 76500500, 82926542, 165853084, 207316355, 414632710, 829265420, 1036581775, 2073163550, 4146327100, 5182908875, 10365817750, 20731635500]

約数ペア:

[(1, 20731635500), (2, 10365817750), (4, 5182908875), (5, 4146327100), (10, 2073163550), (20, 1036581775), (25, 829265420), (50, 414632710), (100, 207316355), (125, 165853084), (250, 82926542), (271, 76500500), (500, 41463271), (542, 38250250), (1084, 19125125), (1355, 15300100), (2710, 7650050), (5420, 3825025), (6775, 3060020), (13550, 1530010), (27100, 765005), (33875, 612004), (67750, 306002), (135500, 153001)]