20882910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5081}}^1$

素因数の和:5228

約数の個数: 32

約数和(自身を含む): 50494752

約数和(自身を除く): 29611842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5081, 10162, 15243, 25405, 30486, 50810, 76215, 152430, 696097, 1392194, 2088291, 3480485, 4176582, 6960970, 10441455, 20882910]

約数ペア:

[(1, 20882910), (2, 10441455), (3, 6960970), (5, 4176582), (6, 3480485), (10, 2088291), (15, 1392194), (30, 696097), (137, 152430), (274, 76215), (411, 50810), (685, 30486), (822, 25405), (1370, 15243), (2055, 10162), (4110, 5081)]