20020906

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:1049

約数の個数: 16

約数和(自身を含む): 30627720

約数和(自身を除く): 10606814

約数列:

[1, 2, 89, 137, 178, 274, 821, 1642, 12193, 24386, 73069, 112477, 146138, 224954, 10010453, 20020906]

約数ペア:

[(1, 20020906), (2, 10010453), (89, 224954), (137, 146138), (178, 112477), (274, 73069), (821, 24386), (1642, 12193)]