16684580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 21841180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 419, 724, 838, 905, 1676, 1810, 1991, 2095, 3620, 3982, 4190, 4609, 7964, 8380, 9218, 9955, 18436, 19910, 23045, 39820, 46090, 75839, 92180, 151678, 303356, 379195, 758390, 834229, 1516780, 1668458, 3336916, 4171145, 8342290, 16684580]

約数ペア:

[(1, 16684580), (2, 8342290), (4, 4171145), (5, 3336916), (10, 1668458), (11, 1516780), (20, 834229), (22, 758390), (44, 379195), (55, 303356), (110, 151678), (181, 92180), (220, 75839), (362, 46090), (419, 39820), (724, 23045), (838, 19910), (905, 18436), (1676, 9955), (1810, 9218), (1991, 8380), (2095, 7964), (3620, 4609), (3982, 4190)]