20112978245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1\times {\mathrm{4211}}^1$

素因数の和:5293

約数の個数: 32

約数和(自身を含む): 25830814464

約数和(自身を除く): 5717836219

約数列:

[1, 5, 23, 41, 115, 205, 943, 1013, 4211, 4715, 5065, 21055, 23299, 41533, 96853, 116495, 172651, 207665, 484265, 863255, 955259, 3970973, 4265743, 4776295, 19854865, 21328715, 98112089, 174895463, 490560445, 874477315, 4022595649, 20112978245]

約数ペア:

[(1, 20112978245), (5, 4022595649), (23, 874477315), (41, 490560445), (115, 174895463), (205, 98112089), (943, 21328715), (1013, 19854865), (4211, 4776295), (4715, 4265743), (5065, 3970973), (21055, 955259), (23299, 863255), (41533, 484265), (96853, 207665), (116495, 172651)]