20164457131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{28603}}^1$

素因数の和:28811

約数の個数: 32

約数和(自身を含む): 25424150528

約数和(自身を除く): 5259693397

約数列:

[1, 7, 13, 61, 91, 127, 427, 793, 889, 1651, 5551, 7747, 11557, 28603, 54229, 100711, 200221, 371839, 704977, 1744783, 2602873, 3632581, 12213481, 22682179, 25428067, 47223553, 158775253, 221587441, 330564871, 1551112087, 2880636733, 20164457131]

約数ペア:

[(1, 20164457131), (7, 2880636733), (13, 1551112087), (61, 330564871), (91, 221587441), (127, 158775253), (427, 47223553), (793, 25428067), (889, 22682179), (1651, 12213481), (5551, 3632581), (7747, 2602873), (11557, 1744783), (28603, 704977), (54229, 371839), (100711, 200221)]