20660990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5569}}^1$

素因数の和:5636

約数の個数: 32

約数和(自身を含む): 43312320

約数和(自身を除く): 22651330

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5569, 11138, 27845, 38983, 55690, 77966, 194915, 295157, 389830, 590314, 1475785, 2066099, 2951570, 4132198, 10330495, 20660990]

約数ペア:

[(1, 20660990), (2, 10330495), (5, 4132198), (7, 2951570), (10, 2066099), (14, 1475785), (35, 590314), (53, 389830), (70, 295157), (106, 194915), (265, 77966), (371, 55690), (530, 38983), (742, 27845), (1855, 11138), (3710, 5569)]