20409869950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{47581}}^1$

素因数の和:47989

約数の個数: 48

約数和(自身を含む): 39719930976

約数和(自身を除く): 19310061026

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 373, 575, 746, 1150, 1865, 3730, 8579, 9325, 17158, 18650, 42895, 47581, 85790, 95162, 214475, 237905, 428950, 475810, 1094363, 1189525, 2188726, 2379050, 5471815, 10943630, 17747713, 27359075, 35495426, 54718150, 88738565, 177477130, 408197399, 443692825, 816394798, 887385650, 2040986995, 4081973990, 10204934975, 20409869950]

約数ペア:

[(1, 20409869950), (2, 10204934975), (5, 4081973990), (10, 2040986995), (23, 887385650), (25, 816394798), (46, 443692825), (50, 408197399), (115, 177477130), (230, 88738565), (373, 54718150), (575, 35495426), (746, 27359075), (1150, 17747713), (1865, 10943630), (3730, 5471815), (8579, 2379050), (9325, 2188726), (17158, 1189525), (18650, 1094363), (42895, 475810), (47581, 428950), (85790, 237905), (95162, 214475)]