20172780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37357}}^1$

素因数の和:37375

約数の個数: 48

約数和(自身を含む): 62761440

約数和(自身を除く): 42588660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37357, 74714, 112071, 149428, 186785, 224142, 336213, 373570, 448284, 560355, 672426, 747140, 1008639, 1120710, 1344852, 1681065, 2017278, 2241420, 3362130, 4034556, 5043195, 6724260, 10086390, 20172780]

約数ペア:

[(1, 20172780), (2, 10086390), (3, 6724260), (4, 5043195), (5, 4034556), (6, 3362130), (9, 2241420), (10, 2017278), (12, 1681065), (15, 1344852), (18, 1120710), (20, 1008639), (27, 747140), (30, 672426), (36, 560355), (45, 448284), (54, 373570), (60, 336213), (90, 224142), (108, 186785), (135, 149428), (180, 112071), (270, 74714), (540, 37357)]