20802203135

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1\times {\mathrm{4049}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 28705104000

約数和(自身を除く): 7902900865

約数列:

[1, 5, 7, 35, 229, 641, 1145, 1603, 3205, 4049, 4487, 8015, 20245, 22435, 28343, 141715, 146789, 733945, 927221, 1027523, 2595409, 4636105, 5137615, 6490547, 12977045, 18167863, 32452735, 90839315, 594348661, 2971743305, 4160440627, 20802203135]

約数ペア:

[(1, 20802203135), (5, 4160440627), (7, 2971743305), (35, 594348661), (229, 90839315), (641, 32452735), (1145, 18167863), (1603, 12977045), (3205, 6490547), (4049, 5137615), (4487, 4636105), (8015, 2595409), (20245, 1027523), (22435, 927221), (28343, 733945), (141715, 146789)]