20199863223

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{375511}}^1$

素因数の和:375699

約数の個数: 24

約数和(自身を含む): 30071000960

約数和(自身を除く): 9871137737

約数列:

[1, 3, 9, 43, 129, 139, 387, 417, 1251, 5977, 17931, 53793, 375511, 1126533, 3379599, 16146973, 48440919, 52196029, 145322757, 156588087, 469764261, 2244429247, 6733287741, 20199863223]

約数ペア:

[(1, 20199863223), (3, 6733287741), (9, 2244429247), (43, 469764261), (129, 156588087), (139, 145322757), (387, 52196029), (417, 48440919), (1251, 16146973), (5977, 3379599), (17931, 1126533), (53793, 375511)]