20116260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 45613404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 113, 115, 129, 138, 172, 180, 207, 215, 226, 230, 258, 276, 339, 345, 387, 414, 430, 452, 460, 516, 565, 645, 678, 690, 774, 828, 860, 989, 1017, 1035, 1130, 1290, 1356, 1380, 1548, 1695, 1935, 1978, 2034, 2070, 2260, 2580, 2599, 2967, 3390, 3870, 3956, 4068, 4140, 4859, 4945, 5085, 5198, 5934, 6780, 7740, 7797, 8901, 9718, 9890, 10170, 10396, 11868, 12995, 14577, 14835, 15594, 17802, 19436, 19780, 20340, 23391, 24295, 25990, 29154, 29670, 31188, 35604, 38985, 43731, 44505, 46782, 48590, 51980, 58308, 59340, 72885, 77970, 87462, 89010, 93564, 97180, 111757, 116955, 145770, 155940, 174924, 178020, 218655, 223514, 233910, 291540, 335271, 437310, 447028, 467820, 558785, 670542, 874620, 1005813, 1117570, 1341084, 1676355, 2011626, 2235140, 3352710, 4023252, 5029065, 6705420, 10058130, 20116260]

約数ペア:

[(1, 20116260), (2, 10058130), (3, 6705420), (4, 5029065), (5, 4023252), (6, 3352710), (9, 2235140), (10, 2011626), (12, 1676355), (15, 1341084), (18, 1117570), (20, 1005813), (23, 874620), (30, 670542), (36, 558785), (43, 467820), (45, 447028), (46, 437310), (60, 335271), (69, 291540), (86, 233910), (90, 223514), (92, 218655), (113, 178020), (115, 174924), (129, 155940), (138, 145770), (172, 116955), (180, 111757), (207, 97180), (215, 93564), (226, 89010), (230, 87462), (258, 77970), (276, 72885), (339, 59340), (345, 58308), (387, 51980), (414, 48590), (430, 46782), (452, 44505), (460, 43731), (516, 38985), (565, 35604), (645, 31188), (678, 29670), (690, 29154), (774, 25990), (828, 24295), (860, 23391), (989, 20340), (1017, 19780), (1035, 19436), (1130, 17802), (1290, 15594), (1356, 14835), (1380, 14577), (1548, 12995), (1695, 11868), (1935, 10396), (1978, 10170), (2034, 9890), (2070, 9718), (2260, 8901), (2580, 7797), (2599, 7740), (2967, 6780), (3390, 5934), (3870, 5198), (3956, 5085), (4068, 4945), (4140, 4859)]