20181661620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3143561}}^1$

素因数の和:3143680

約数の個数: 48

約数和(自身を含む): 57036788928

約数和(自身を除く): 36855127308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 3143561, 6287122, 9430683, 12574244, 15717805, 18861366, 31435610, 37722732, 47153415, 62871220, 94306830, 188613660, 336361027, 672722054, 1009083081, 1345444108, 1681805135, 2018166162, 3363610270, 4036332324, 5045415405, 6727220540, 10090830810, 20181661620]

約数ペア:

[(1, 20181661620), (2, 10090830810), (3, 6727220540), (4, 5045415405), (5, 4036332324), (6, 3363610270), (10, 2018166162), (12, 1681805135), (15, 1345444108), (20, 1009083081), (30, 672722054), (60, 336361027), (107, 188613660), (214, 94306830), (321, 62871220), (428, 47153415), (535, 37722732), (642, 31435610), (1070, 18861366), (1284, 15717805), (1605, 12574244), (2140, 9430683), (3210, 6287122), (6420, 3143561)]