20853976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18229}}^1$

素因数の和:18259

約数の個数: 32

約数和(自身を含む): 45939600

約数和(自身を除く): 25085624

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18229, 36458, 72916, 145832, 200519, 236977, 401038, 473954, 802076, 947908, 1604152, 1895816, 2606747, 5213494, 10426988, 20853976]

約数ペア:

[(1, 20853976), (2, 10426988), (4, 5213494), (8, 2606747), (11, 1895816), (13, 1604152), (22, 947908), (26, 802076), (44, 473954), (52, 401038), (88, 236977), (104, 200519), (143, 145832), (286, 72916), (572, 36458), (1144, 18229)]