20881432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18253}}^1$

素因数の和:18283

約数の個数: 32

約数和(自身を含む): 46000080

約数和(自身を除く): 25118648

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18253, 36506, 73012, 146024, 200783, 237289, 401566, 474578, 803132, 949156, 1606264, 1898312, 2610179, 5220358, 10440716, 20881432]

約数ペア:

[(1, 20881432), (2, 10440716), (4, 5220358), (8, 2610179), (11, 1898312), (13, 1606264), (22, 949156), (26, 803132), (44, 474578), (52, 401566), (88, 237289), (104, 200783), (143, 146024), (286, 73012), (572, 36506), (1144, 18253)]