20320890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8161}}^1$

素因数の和:8254

約数の個数: 32

約数和(自身を含む): 49363776

約数和(自身を除く): 29042886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8161, 16322, 24483, 40805, 48966, 81610, 122415, 244830, 677363, 1354726, 2032089, 3386815, 4064178, 6773630, 10160445, 20320890]

約数ペア:

[(1, 20320890), (2, 10160445), (3, 6773630), (5, 4064178), (6, 3386815), (10, 2032089), (15, 1354726), (30, 677363), (83, 244830), (166, 122415), (249, 81610), (415, 48966), (498, 40805), (830, 24483), (1245, 16322), (2490, 8161)]