20284550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2873

約数の個数: 48

約数和(自身を含む): 44340912

約数和(自身を除く): 24056362

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2837, 3575, 5674, 7150, 14185, 28370, 31207, 36881, 62414, 70925, 73762, 141850, 156035, 184405, 312070, 368810, 405691, 780175, 811382, 922025, 1560350, 1844050, 2028455, 4056910, 10142275, 20284550]

約数ペア:

[(1, 20284550), (2, 10142275), (5, 4056910), (10, 2028455), (11, 1844050), (13, 1560350), (22, 922025), (25, 811382), (26, 780175), (50, 405691), (55, 368810), (65, 312070), (110, 184405), (130, 156035), (143, 141850), (275, 73762), (286, 70925), (325, 62414), (550, 36881), (650, 31207), (715, 28370), (1430, 14185), (2837, 7150), (3575, 5674)]