20423210

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 37770192

約数和(自身を除く): 17346982

約数列:

[1, 2, 5, 10, 73, 101, 146, 202, 277, 365, 505, 554, 730, 1010, 1385, 2770, 7373, 14746, 20221, 27977, 36865, 40442, 55954, 73730, 101105, 139885, 202210, 279770, 2042321, 4084642, 10211605, 20423210]

約数ペア:

[(1, 20423210), (2, 10211605), (5, 4084642), (10, 2042321), (73, 279770), (101, 202210), (146, 139885), (202, 101105), (277, 73730), (365, 55954), (505, 40442), (554, 36865), (730, 27977), (1010, 20221), (1385, 14746), (2770, 7373)]