20473395

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 33700464

約数和(自身を除く): 13227069

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 997, 1369, 2991, 4107, 4985, 6845, 14955, 20535, 36889, 110667, 184445, 553335, 1364893, 4094679, 6824465, 20473395]

約数ペア:

[(1, 20473395), (3, 6824465), (5, 4094679), (15, 1364893), (37, 553335), (111, 184445), (185, 110667), (555, 36889), (997, 20535), (1369, 14955), (2991, 6845), (4107, 4985)]