20163801

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 12276519

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 383, 483, 763, 1149, 2289, 2507, 2681, 7521, 8043, 8809, 17549, 26427, 41747, 52647, 61663, 125241, 184989, 292229, 876687, 960181, 2880543, 6721267, 20163801]

約数ペア:

[(1, 20163801), (3, 6721267), (7, 2880543), (21, 960181), (23, 876687), (69, 292229), (109, 184989), (161, 125241), (327, 61663), (383, 52647), (483, 41747), (763, 26427), (1149, 17549), (2289, 8809), (2507, 8043), (2681, 7521)]