20165674720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7413851}}^1$

素因数の和:7413883

約数の個数: 48

約数和(自身を含む): 50443849008

約数和(自身を除く): 30278174288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7413851, 14827702, 29655404, 37069255, 59310808, 74138510, 118621616, 126035467, 148277020, 237243232, 252070934, 296554040, 504141868, 593108080, 630177335, 1008283736, 1186216160, 1260354670, 2016567472, 2520709340, 4033134944, 5041418680, 10082837360, 20165674720]

約数ペア:

[(1, 20165674720), (2, 10082837360), (4, 5041418680), (5, 4033134944), (8, 2520709340), (10, 2016567472), (16, 1260354670), (17, 1186216160), (20, 1008283736), (32, 630177335), (34, 593108080), (40, 504141868), (68, 296554040), (80, 252070934), (85, 237243232), (136, 148277020), (160, 126035467), (170, 118621616), (272, 74138510), (340, 59310808), (544, 37069255), (680, 29655404), (1360, 14827702), (2720, 7413851)]