20505498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1741}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 44483712

約数和(自身を除く): 23978214

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1741, 1963, 3482, 3926, 5223, 5889, 10446, 11778, 22633, 45266, 67899, 135798, 262891, 525782, 788673, 1577346, 3417583, 6835166, 10252749, 20505498]

約数ペア:

[(1, 20505498), (2, 10252749), (3, 6835166), (6, 3417583), (13, 1577346), (26, 788673), (39, 525782), (78, 262891), (151, 135798), (302, 67899), (453, 45266), (906, 22633), (1741, 11778), (1963, 10446), (3482, 5889), (3926, 5223)]