20582315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 28123200

約数和(自身を除く): 7540885

約数列:

[1, 5, 13, 29, 61, 65, 145, 179, 305, 377, 793, 895, 1769, 1885, 2327, 3965, 5191, 8845, 10919, 11635, 22997, 25955, 54595, 67483, 114985, 141947, 316651, 337415, 709735, 1583255, 4116463, 20582315]

約数ペア:

[(1, 20582315), (5, 4116463), (13, 1583255), (29, 709735), (61, 337415), (65, 316651), (145, 141947), (179, 114985), (305, 67483), (377, 54595), (793, 25955), (895, 22997), (1769, 11635), (1885, 10919), (2327, 8845), (3965, 5191)]