20169065

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 29583360

約数和(自身を除く): 9414295

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 641, 899, 1015, 1085, 3205, 4487, 4495, 6293, 18589, 19871, 22435, 31465, 92945, 99355, 130123, 139097, 576259, 650615, 695485, 2881295, 4033813, 20169065]

約数ペア:

[(1, 20169065), (5, 4033813), (7, 2881295), (29, 695485), (31, 650615), (35, 576259), (145, 139097), (155, 130123), (203, 99355), (217, 92945), (641, 31465), (899, 22435), (1015, 19871), (1085, 18589), (3205, 6293), (4487, 4495)]