20532870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7867}}^1$

素因数の和:7909

約数の個数: 48

約数和(自身を含む): 55233360

約数和(自身を除く): 34700490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7867, 15734, 23601, 39335, 47202, 70803, 78670, 118005, 141606, 228143, 236010, 354015, 456286, 684429, 708030, 1140715, 1368858, 2053287, 2281430, 3422145, 4106574, 6844290, 10266435, 20532870]

約数ペア:

[(1, 20532870), (2, 10266435), (3, 6844290), (5, 4106574), (6, 3422145), (9, 2281430), (10, 2053287), (15, 1368858), (18, 1140715), (29, 708030), (30, 684429), (45, 456286), (58, 354015), (87, 236010), (90, 228143), (145, 141606), (174, 118005), (261, 78670), (290, 70803), (435, 47202), (522, 39335), (870, 23601), (1305, 15734), (2610, 7867)]