20655150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5987}}^1$

素因数の和:6025

約数の個数: 48

約数和(自身を含む): 53460864

約数和(自身を除く): 32805714

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5987, 11974, 17961, 29935, 35922, 59870, 89805, 137701, 149675, 179610, 275402, 299350, 413103, 449025, 688505, 826206, 898050, 1377010, 2065515, 3442525, 4131030, 6885050, 10327575, 20655150]

約数ペア:

[(1, 20655150), (2, 10327575), (3, 6885050), (5, 4131030), (6, 3442525), (10, 2065515), (15, 1377010), (23, 898050), (25, 826206), (30, 688505), (46, 449025), (50, 413103), (69, 299350), (75, 275402), (115, 179610), (138, 149675), (150, 137701), (230, 89805), (345, 59870), (575, 35922), (690, 29935), (1150, 17961), (1725, 11974), (3450, 5987)]