20149668975

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{17449}}^1$

素因数の和:17724

約数の個数: 48

約数和(自身を含む): 33885108000

約数和(自身を除く): 13735439025

約数列:

[1, 3, 5, 15, 25, 75, 89, 173, 267, 445, 519, 865, 1335, 2225, 2595, 4325, 6675, 12975, 15397, 17449, 46191, 52347, 76985, 87245, 230955, 261735, 384925, 436225, 1154775, 1308675, 1552961, 3018677, 4658883, 7764805, 9056031, 15093385, 23294415, 38824025, 45280155, 75466925, 116472075, 226400775, 268662253, 805986759, 1343311265, 4029933795, 6716556325, 20149668975]

約数ペア:

[(1, 20149668975), (3, 6716556325), (5, 4029933795), (15, 1343311265), (25, 805986759), (75, 268662253), (89, 226400775), (173, 116472075), (267, 75466925), (445, 45280155), (519, 38824025), (865, 23294415), (1335, 15093385), (2225, 9056031), (2595, 7764805), (4325, 4658883), (6675, 3018677), (12975, 1552961), (15397, 1308675), (17449, 1154775), (46191, 436225), (52347, 384925), (76985, 261735), (87245, 230955)]