20541846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4969}}^1$

素因数の和:5040

約数の個数: 32

約数和(自身を含む): 45087840

約数和(自身を除く): 24545994

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4969, 9938, 14907, 29814, 64597, 129194, 193791, 263357, 387582, 526714, 790071, 1580142, 3423641, 6847282, 10270923, 20541846]

約数ペア:

[(1, 20541846), (2, 10270923), (3, 6847282), (6, 3423641), (13, 1580142), (26, 790071), (39, 526714), (53, 387582), (78, 263357), (106, 193791), (159, 129194), (318, 64597), (689, 29814), (1378, 14907), (2067, 9938), (4134, 4969)]