20121889923

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{129527}}^1$

素因数の和:129995

約数の個数: 24

約数和(自身を含む): 29844805536

約数和(自身を除く): 9722915613

約数列:

[1, 3, 9, 41, 123, 369, 421, 1263, 3789, 17261, 51783, 129527, 155349, 388581, 1165743, 5310607, 15931821, 47795463, 54530867, 163592601, 490777803, 2235765547, 6707296641, 20121889923]

約数ペア:

[(1, 20121889923), (3, 6707296641), (9, 2235765547), (41, 490777803), (123, 163592601), (369, 54530867), (421, 47795463), (1263, 15931821), (3789, 5310607), (17261, 1165743), (51783, 388581), (129527, 155349)]