20145128840

素因数分解:

$2^3\times 5^1\times {\mathrm{33457}}^1\times {\mathrm{15053}}^1$

素因数の和:48521

約数の個数: 32

約数和(自身を含む): 45330905880

約数和(自身を除く): 25185777040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15053, 30106, 33457, 60212, 66914, 75265, 120424, 133828, 150530, 167285, 267656, 301060, 334570, 602120, 669140, 1338280, 503628221, 1007256442, 2014512884, 2518141105, 4029025768, 5036282210, 10072564420, 20145128840]

約数ペア:

[(1, 20145128840), (2, 10072564420), (4, 5036282210), (5, 4029025768), (8, 2518141105), (10, 2014512884), (20, 1007256442), (40, 503628221), (15053, 1338280), (30106, 669140), (33457, 602120), (60212, 334570), (66914, 301060), (75265, 267656), (120424, 167285), (133828, 150530)]