20013070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 47278080

約数和(自身を除く): 27265010

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 49, 55, 70, 77, 79, 94, 98, 110, 154, 158, 235, 245, 329, 385, 395, 470, 490, 517, 539, 553, 658, 770, 790, 869, 1034, 1078, 1106, 1645, 1738, 2303, 2585, 2695, 2765, 3290, 3619, 3713, 3871, 4345, 4606, 5170, 5390, 5530, 6083, 7238, 7426, 7742, 8690, 11515, 12166, 18095, 18565, 19355, 23030, 25333, 25991, 30415, 36190, 37130, 38710, 40843, 42581, 50666, 51982, 60830, 81686, 85162, 126665, 129955, 181937, 204215, 212905, 253330, 259910, 285901, 363874, 408430, 425810, 571802, 909685, 1429505, 1819370, 2001307, 2859010, 4002614, 10006535, 20013070]

約数ペア:

[(1, 20013070), (2, 10006535), (5, 4002614), (7, 2859010), (10, 2001307), (11, 1819370), (14, 1429505), (22, 909685), (35, 571802), (47, 425810), (49, 408430), (55, 363874), (70, 285901), (77, 259910), (79, 253330), (94, 212905), (98, 204215), (110, 181937), (154, 129955), (158, 126665), (235, 85162), (245, 81686), (329, 60830), (385, 51982), (395, 50666), (470, 42581), (490, 40843), (517, 38710), (539, 37130), (553, 36190), (658, 30415), (770, 25991), (790, 25333), (869, 23030), (1034, 19355), (1078, 18565), (1106, 18095), (1645, 12166), (1738, 11515), (2303, 8690), (2585, 7742), (2695, 7426), (2765, 7238), (3290, 6083), (3619, 5530), (3713, 5390), (3871, 5170), (4345, 4606)]