20383960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26851

約数の個数: 32

約数和(自身を含む): 48279600

約数和(自身を除く): 27895640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26821, 53642, 107284, 134105, 214568, 268210, 509599, 536420, 1019198, 1072840, 2038396, 2547995, 4076792, 5095990, 10191980, 20383960]

約数ペア:

[(1, 20383960), (2, 10191980), (4, 5095990), (5, 4076792), (8, 2547995), (10, 2038396), (19, 1072840), (20, 1019198), (38, 536420), (40, 509599), (76, 268210), (95, 214568), (152, 134105), (190, 107284), (380, 53642), (760, 26821)]