20121493425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2837}}^1\times {\mathrm{8597}}^1$

素因数の和:11458

約数の個数: 48

約数和(自身を含む): 36308872512

約数和(自身を除く): 16187379087

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 2837, 8511, 8597, 14185, 25791, 31207, 42555, 42985, 70925, 93621, 94567, 128955, 156035, 212775, 214925, 283701, 468105, 472835, 644775, 780175, 1418505, 2340525, 2364175, 7092525, 24389689, 73169067, 121948445, 268286579, 365845335, 609742225, 804859737, 1341432895, 1829226675, 4024298685, 6707164475, 20121493425]

約数ペア:

[(1, 20121493425), (3, 6707164475), (5, 4024298685), (11, 1829226675), (15, 1341432895), (25, 804859737), (33, 609742225), (55, 365845335), (75, 268286579), (165, 121948445), (275, 73169067), (825, 24389689), (2837, 7092525), (8511, 2364175), (8597, 2340525), (14185, 1418505), (25791, 780175), (31207, 644775), (42555, 472835), (42985, 468105), (70925, 283701), (93621, 214925), (94567, 212775), (128955, 156035)]