20793110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 40515552

約数和(自身を除く): 19722442

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 521, 614, 1042, 1535, 2605, 3070, 3991, 5210, 6773, 7982, 13546, 19955, 33865, 39910, 67730, 159947, 319894, 799735, 1599470, 2079311, 4158622, 10396555, 20793110]

約数ペア:

[(1, 20793110), (2, 10396555), (5, 4158622), (10, 2079311), (13, 1599470), (26, 799735), (65, 319894), (130, 159947), (307, 67730), (521, 39910), (614, 33865), (1042, 19955), (1535, 13546), (2605, 7982), (3070, 6773), (3991, 5210)]