20199295160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{80681}}^1$

素因数の和:81272

約数の個数: 64

約数和(自身を含む): 49667839200

約数和(自身を除く): 29468544040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 569, 1138, 2276, 2845, 4552, 5690, 6259, 11380, 12518, 22760, 25036, 31295, 50072, 62590, 80681, 125180, 161362, 250360, 322724, 403405, 645448, 806810, 887491, 1613620, 1774982, 3227240, 3549964, 4437455, 7099928, 8874910, 17749820, 35499640, 45907489, 91814978, 183629956, 229537445, 367259912, 459074890, 504982379, 918149780, 1009964758, 1836299560, 2019929516, 2524911895, 4039859032, 5049823790, 10099647580, 20199295160]

約数ペア:

[(1, 20199295160), (2, 10099647580), (4, 5049823790), (5, 4039859032), (8, 2524911895), (10, 2019929516), (11, 1836299560), (20, 1009964758), (22, 918149780), (40, 504982379), (44, 459074890), (55, 367259912), (88, 229537445), (110, 183629956), (220, 91814978), (440, 45907489), (569, 35499640), (1138, 17749820), (2276, 8874910), (2845, 7099928), (4552, 4437455), (5690, 3549964), (6259, 3227240), (11380, 1774982), (12518, 1613620), (22760, 887491), (25036, 806810), (31295, 645448), (50072, 403405), (62590, 322724), (80681, 250360), (125180, 161362)]