20212777710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{24907}}^1$

素因数の和:25118

約数の個数: 96

約数和(自身を含む): 53715197952

約数和(自身を除く): 33502420242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 127, 142, 213, 254, 355, 381, 426, 635, 639, 710, 762, 1065, 1143, 1270, 1278, 1905, 2130, 2286, 3195, 3810, 5715, 6390, 9017, 11430, 18034, 24907, 27051, 45085, 49814, 54102, 74721, 81153, 90170, 124535, 135255, 149442, 162306, 224163, 249070, 270510, 373605, 405765, 448326, 747210, 811530, 1120815, 1768397, 2241630, 3163189, 3536794, 5305191, 6326378, 8841985, 9489567, 10610382, 15815945, 15915573, 17683970, 18979134, 26525955, 28468701, 31631890, 31831146, 47447835, 53051910, 56937402, 79577865, 94895670, 142343505, 159155730, 224586419, 284687010, 449172838, 673759257, 1122932095, 1347518514, 2021277771, 2245864190, 3368796285, 4042555542, 6737592570, 10106388855, 20212777710]

約数ペア:

[(1, 20212777710), (2, 10106388855), (3, 6737592570), (5, 4042555542), (6, 3368796285), (9, 2245864190), (10, 2021277771), (15, 1347518514), (18, 1122932095), (30, 673759257), (45, 449172838), (71, 284687010), (90, 224586419), (127, 159155730), (142, 142343505), (213, 94895670), (254, 79577865), (355, 56937402), (381, 53051910), (426, 47447835), (635, 31831146), (639, 31631890), (710, 28468701), (762, 26525955), (1065, 18979134), (1143, 17683970), (1270, 15915573), (1278, 15815945), (1905, 10610382), (2130, 9489567), (2286, 8841985), (3195, 6326378), (3810, 5305191), (5715, 3536794), (6390, 3163189), (9017, 2241630), (11430, 1768397), (18034, 1120815), (24907, 811530), (27051, 747210), (45085, 448326), (49814, 405765), (54102, 373605), (74721, 270510), (81153, 249070), (90170, 224163), (124535, 162306), (135255, 149442)]