20973198

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{13291}}^1$

素因数の和:13559

約数の個数: 16

約数和(自身を含む): 42109056

約数和(自身を除く): 21135858

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 13291, 26582, 39873, 79746, 3495533, 6991066, 10486599, 20973198]

約数ペア:

[(1, 20973198), (2, 10486599), (3, 6991066), (6, 3495533), (263, 79746), (526, 39873), (789, 26582), (1578, 13291)]