20621358

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10321}}^1$

素因数の和:10369

約数の個数: 32

約数和(自身を含む): 47068320

約数和(自身を除く): 26446962

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10321, 20642, 30963, 61926, 92889, 185778, 278667, 381877, 557334, 763754, 1145631, 2291262, 3436893, 6873786, 10310679, 20621358]

約数ペア:

[(1, 20621358), (2, 10310679), (3, 6873786), (6, 3436893), (9, 2291262), (18, 1145631), (27, 763754), (37, 557334), (54, 381877), (74, 278667), (111, 185778), (222, 92889), (333, 61926), (666, 30963), (999, 20642), (1998, 10321)]