20137531425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1284691}}^1$

素因数の和:1284734

約数の個数: 48

約数和(自身を含む): 38232433920

約数和(自身を除く): 18094902495

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 15675, 1284691, 3854073, 6423455, 14131601, 19270365, 24409129, 32117275, 42394803, 70658005, 73227387, 96351825, 122045645, 211974015, 268500419, 353290025, 366136935, 610228225, 805501257, 1059870075, 1342502095, 1830684675, 4027506285, 6712510475, 20137531425]

約数ペア:

[(1, 20137531425), (3, 6712510475), (5, 4027506285), (11, 1830684675), (15, 1342502095), (19, 1059870075), (25, 805501257), (33, 610228225), (55, 366136935), (57, 353290025), (75, 268500419), (95, 211974015), (165, 122045645), (209, 96351825), (275, 73227387), (285, 70658005), (475, 42394803), (627, 32117275), (825, 24409129), (1045, 19270365), (1425, 14131601), (3135, 6423455), (5225, 3854073), (15675, 1284691)]