20956186680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1221223}}^1$

素因数の和:1221261

約数の個数: 128

約数和(自身を含む): 73859627520

約数和(自身を除く): 52903440840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 1221223, 2442446, 3663669, 4884892, 6106115, 7327338, 9769784, 12212230, 13433453, 14654676, 15875899, 18318345, 24424460, 26866906, 29309352, 31751798, 36636690, 40300359, 47627697, 48848920, 53733812, 63503596, 67167265, 73273380, 79379495, 80600718, 95255394, 107467624, 127007192, 134334530, 146546760, 158758990, 161201436, 174634889, 190510788, 201501795, 238138485, 268669060, 317517980, 322402872, 349269778, 381021576, 403003590, 476276970, 523904667, 537338120, 635035960, 698539556, 806007180, 873174445, 952553940, 1047809334, 1397079112, 1612014360, 1746348890, 1905107880, 2095618668, 2619523335, 3492697780, 4191237336, 5239046670, 6985395560, 10478093340, 20956186680]

約数ペア:

[(1, 20956186680), (2, 10478093340), (3, 6985395560), (4, 5239046670), (5, 4191237336), (6, 3492697780), (8, 2619523335), (10, 2095618668), (11, 1905107880), (12, 1746348890), (13, 1612014360), (15, 1397079112), (20, 1047809334), (22, 952553940), (24, 873174445), (26, 806007180), (30, 698539556), (33, 635035960), (39, 537338120), (40, 523904667), (44, 476276970), (52, 403003590), (55, 381021576), (60, 349269778), (65, 322402872), (66, 317517980), (78, 268669060), (88, 238138485), (104, 201501795), (110, 190510788), (120, 174634889), (130, 161201436), (132, 158758990), (143, 146546760), (156, 134334530), (165, 127007192), (195, 107467624), (220, 95255394), (260, 80600718), (264, 79379495), (286, 73273380), (312, 67167265), (330, 63503596), (390, 53733812), (429, 48848920), (440, 47627697), (520, 40300359), (572, 36636690), (660, 31751798), (715, 29309352), (780, 26866906), (858, 24424460), (1144, 18318345), (1320, 15875899), (1430, 14654676), (1560, 13433453), (1716, 12212230), (2145, 9769784), (2860, 7327338), (3432, 6106115), (4290, 4884892), (5720, 3663669), (8580, 2442446), (17160, 1221223)]