20117381784

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{319567}}^1$

素因数の和:319680

約数の個数: 64

約数和(自身を含む): 52306890240

約数和(自身を除く): 32189508456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 172, 183, 244, 258, 344, 366, 488, 516, 732, 1032, 1464, 2623, 5246, 7869, 10492, 15738, 20984, 31476, 62952, 319567, 639134, 958701, 1278268, 1917402, 2556536, 3834804, 7669608, 13741381, 19493587, 27482762, 38987174, 41224143, 54965524, 58480761, 77974348, 82448286, 109931048, 116961522, 155948696, 164896572, 233923044, 329793144, 467846088, 838224241, 1676448482, 2514672723, 3352896964, 5029345446, 6705793928, 10058690892, 20117381784]

約数ペア:

[(1, 20117381784), (2, 10058690892), (3, 6705793928), (4, 5029345446), (6, 3352896964), (8, 2514672723), (12, 1676448482), (24, 838224241), (43, 467846088), (61, 329793144), (86, 233923044), (122, 164896572), (129, 155948696), (172, 116961522), (183, 109931048), (244, 82448286), (258, 77974348), (344, 58480761), (366, 54965524), (488, 41224143), (516, 38987174), (732, 27482762), (1032, 19493587), (1464, 13741381), (2623, 7669608), (5246, 3834804), (7869, 2556536), (10492, 1917402), (15738, 1278268), (20984, 958701), (31476, 639134), (62952, 319567)]