20881290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22453}}^1$

素因数の和:22494

約数の個数: 32

約数和(自身を含む): 51734016

約数和(自身を除く): 30852726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22453, 44906, 67359, 112265, 134718, 224530, 336795, 673590, 696043, 1392086, 2088129, 3480215, 4176258, 6960430, 10440645, 20881290]

約数ペア:

[(1, 20881290), (2, 10440645), (3, 6960430), (5, 4176258), (6, 3480215), (10, 2088129), (15, 1392086), (30, 696043), (31, 673590), (62, 336795), (93, 224530), (155, 134718), (186, 112265), (310, 67359), (465, 44906), (930, 22453)]