20941890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13171}}^1$

素因数の和:13234

約数の個数: 32

約数和(自身を含む): 51212736

約数和(自身を除く): 30270846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13171, 26342, 39513, 65855, 79026, 131710, 197565, 395130, 698063, 1396126, 2094189, 3490315, 4188378, 6980630, 10470945, 20941890]

約数ペア:

[(1, 20941890), (2, 10470945), (3, 6980630), (5, 4188378), (6, 3490315), (10, 2094189), (15, 1396126), (30, 698063), (53, 395130), (106, 197565), (159, 131710), (265, 79026), (318, 65855), (530, 39513), (795, 26342), (1590, 13171)]