20221890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2771

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34814910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2729, 3705, 5458, 7410, 8187, 13645, 16374, 27290, 35477, 40935, 51851, 70954, 81870, 103702, 106431, 155553, 177385, 212862, 259255, 311106, 354770, 518510, 532155, 674063, 777765, 1064310, 1348126, 1555530, 2022189, 3370315, 4044378, 6740630, 10110945, 20221890]

約数ペア:

[(1, 20221890), (2, 10110945), (3, 6740630), (5, 4044378), (6, 3370315), (10, 2022189), (13, 1555530), (15, 1348126), (19, 1064310), (26, 777765), (30, 674063), (38, 532155), (39, 518510), (57, 354770), (65, 311106), (78, 259255), (95, 212862), (114, 177385), (130, 155553), (190, 106431), (195, 103702), (247, 81870), (285, 70954), (390, 51851), (494, 40935), (570, 35477), (741, 27290), (1235, 16374), (1482, 13645), (2470, 8187), (2729, 7410), (3705, 5458)]