20172858745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{329111}}^1$

素因数の和:329193

約数の個数: 32

約数和(自身を含む): 27866571264

約数和(自身を除く): 7693712519

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1495, 2665, 4715, 12259, 61295, 329111, 1645555, 4278443, 7569553, 13493551, 21392215, 37847765, 67467755, 98404189, 175416163, 310351673, 492020945, 877080815, 1551758365, 4034571749, 20172858745]

約数ペア:

[(1, 20172858745), (5, 4034571749), (13, 1551758365), (23, 877080815), (41, 492020945), (65, 310351673), (115, 175416163), (205, 98404189), (299, 67467755), (533, 37847765), (943, 21392215), (1495, 13493551), (2665, 7569553), (4715, 4278443), (12259, 1645555), (61295, 329111)]