20810640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86711}}^1$

素因数の和:86727

約数の個数: 40

約数和(自身を含む): 64513728

約数和(自身を除く): 43703088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86711, 173422, 260133, 346844, 433555, 520266, 693688, 867110, 1040532, 1300665, 1387376, 1734220, 2081064, 2601330, 3468440, 4162128, 5202660, 6936880, 10405320, 20810640]

約数ペア:

[(1, 20810640), (2, 10405320), (3, 6936880), (4, 5202660), (5, 4162128), (6, 3468440), (8, 2601330), (10, 2081064), (12, 1734220), (15, 1387376), (16, 1300665), (20, 1040532), (24, 867110), (30, 693688), (40, 520266), (48, 433555), (60, 346844), (80, 260133), (120, 173422), (240, 86711)]