20453454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 50918400

約数和(自身を除く): 30464946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 271, 542, 599, 813, 1198, 1626, 1797, 1897, 2439, 3594, 3794, 4193, 4878, 5391, 5691, 8386, 10782, 11382, 12579, 17073, 25158, 34146, 37737, 75474, 162329, 324658, 486987, 973974, 1136303, 1460961, 2272606, 2921922, 3408909, 6817818, 10226727, 20453454]

約数ペア:

[(1, 20453454), (2, 10226727), (3, 6817818), (6, 3408909), (7, 2921922), (9, 2272606), (14, 1460961), (18, 1136303), (21, 973974), (42, 486987), (63, 324658), (126, 162329), (271, 75474), (542, 37737), (599, 34146), (813, 25158), (1198, 17073), (1626, 12579), (1797, 11382), (1897, 10782), (2439, 8386), (3594, 5691), (3794, 5391), (4193, 4878)]