20153910287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1\times {\mathrm{1279}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 24325324800

約数和(自身を除く): 4171414513

約数列:

[1, 7, 23, 97, 161, 679, 1009, 1279, 2231, 7063, 8953, 15617, 23207, 29417, 97873, 124063, 162449, 205919, 685111, 868441, 1290511, 2251079, 2853449, 9033577, 15757553, 19974143, 29681753, 125179567, 207772271, 876256969, 2879130041, 20153910287]

約数ペア:

[(1, 20153910287), (7, 2879130041), (23, 876256969), (97, 207772271), (161, 125179567), (679, 29681753), (1009, 19974143), (1279, 15757553), (2231, 9033577), (7063, 2853449), (8953, 2251079), (15617, 1290511), (23207, 868441), (29417, 685111), (97873, 205919), (124063, 162449)]