20171255292

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{45491}}^1$

素因数の和:45723

約数の個数: 72

約数和(自身を含む): 51912740880

約数和(自身を除く): 31741485588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 113, 218, 226, 327, 339, 436, 452, 654, 678, 981, 1017, 1308, 1356, 1962, 2034, 3924, 4068, 12317, 24634, 36951, 45491, 49268, 73902, 90982, 110853, 136473, 147804, 181964, 221706, 272946, 409419, 443412, 545892, 818838, 1637676, 4958519, 5140483, 9917038, 10280966, 14875557, 15421449, 19834076, 20561932, 29751114, 30842898, 44626671, 46264347, 59502228, 61685796, 89253342, 92528694, 178506684, 185057388, 560312647, 1120625294, 1680937941, 2241250588, 3361875882, 5042813823, 6723751764, 10085627646, 20171255292]

約数ペア:

[(1, 20171255292), (2, 10085627646), (3, 6723751764), (4, 5042813823), (6, 3361875882), (9, 2241250588), (12, 1680937941), (18, 1120625294), (36, 560312647), (109, 185057388), (113, 178506684), (218, 92528694), (226, 89253342), (327, 61685796), (339, 59502228), (436, 46264347), (452, 44626671), (654, 30842898), (678, 29751114), (981, 20561932), (1017, 19834076), (1308, 15421449), (1356, 14875557), (1962, 10280966), (2034, 9917038), (3924, 5140483), (4068, 4958519), (12317, 1637676), (24634, 818838), (36951, 545892), (45491, 443412), (49268, 409419), (73902, 272946), (90982, 221706), (110853, 181964), (136473, 147804)]