20071625

素因数分解:

$5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 30410640

約数和(自身を除く): 10339015

約数列:

[1, 5, 7, 25, 29, 35, 49, 113, 125, 145, 175, 203, 245, 565, 725, 791, 875, 1015, 1225, 1421, 2825, 3277, 3625, 3955, 5075, 5537, 6125, 7105, 14125, 16385, 19775, 22939, 25375, 27685, 35525, 81925, 98875, 114695, 138425, 160573, 177625, 409625, 573475, 692125, 802865, 2867375, 4014325, 20071625]

約数ペア:

[(1, 20071625), (5, 4014325), (7, 2867375), (25, 802865), (29, 692125), (35, 573475), (49, 409625), (113, 177625), (125, 160573), (145, 138425), (175, 114695), (203, 98875), (245, 81925), (565, 35525), (725, 27685), (791, 25375), (875, 22939), (1015, 19775), (1225, 16385), (1421, 14125), (2825, 7105), (3277, 6125), (3625, 5537), (3955, 5075)]