20752470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 55961280

約数和(自身を除く): 35208810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 101, 135, 202, 270, 303, 505, 606, 761, 909, 1010, 1515, 1522, 1818, 2283, 2727, 3030, 3805, 4545, 4566, 5454, 6849, 7610, 9090, 11415, 13635, 13698, 20547, 22830, 27270, 34245, 41094, 68490, 76861, 102735, 153722, 205470, 230583, 384305, 461166, 691749, 768610, 1152915, 1383498, 2075247, 2305830, 3458745, 4150494, 6917490, 10376235, 20752470]

約数ペア:

[(1, 20752470), (2, 10376235), (3, 6917490), (5, 4150494), (6, 3458745), (9, 2305830), (10, 2075247), (15, 1383498), (18, 1152915), (27, 768610), (30, 691749), (45, 461166), (54, 384305), (90, 230583), (101, 205470), (135, 153722), (202, 102735), (270, 76861), (303, 68490), (505, 41094), (606, 34245), (761, 27270), (909, 22830), (1010, 20547), (1515, 13698), (1522, 13635), (1818, 11415), (2283, 9090), (2727, 7610), (3030, 6849), (3805, 5454), (4545, 4566)]