20376710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 39437280

約数和(自身を除く): 19060570

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1789, 2278, 3578, 5695, 8945, 11390, 17890, 30413, 60826, 119863, 152065, 239726, 304130, 599315, 1198630, 2037671, 4075342, 10188355, 20376710]

約数ペア:

[(1, 20376710), (2, 10188355), (5, 4075342), (10, 2037671), (17, 1198630), (34, 599315), (67, 304130), (85, 239726), (134, 152065), (170, 119863), (335, 60826), (670, 30413), (1139, 17890), (1789, 11390), (2278, 8945), (3578, 5695)]