20281976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17729}}^1$

素因数の和:17759

約数の個数: 32

約数和(自身を含む): 44679600

約数和(自身を除く): 24397624

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17729, 35458, 70916, 141832, 195019, 230477, 390038, 460954, 780076, 921908, 1560152, 1843816, 2535247, 5070494, 10140988, 20281976]

約数ペア:

[(1, 20281976), (2, 10140988), (4, 5070494), (8, 2535247), (11, 1843816), (13, 1560152), (22, 921908), (26, 780076), (44, 460954), (52, 390038), (88, 230477), (104, 195019), (143, 141832), (286, 70916), (572, 35458), (1144, 17729)]