201327220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245521}}^1$

素因数の和:245571

約数の個数: 24

約数和(自身を含む): 433100808

約数和(自身を除く): 231773588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245521, 491042, 982084, 1227605, 2455210, 4910420, 10066361, 20132722, 40265444, 50331805, 100663610, 201327220]

約数ペア:

[(1, 201327220), (2, 100663610), (4, 50331805), (5, 40265444), (10, 20132722), (20, 10066361), (41, 4910420), (82, 2455210), (164, 1227605), (205, 982084), (410, 491042), (820, 245521)]