20413306925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1\times {\mathrm{3253}}^1$

素因数の和:4494

約数の個数: 48

約数和(自身を含む): 29100131520

約数和(自身を除く): 8686824595

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 1201, 3253, 5225, 6005, 13211, 16265, 22819, 30025, 35783, 61807, 66055, 81325, 114095, 178915, 251009, 309035, 330275, 570475, 679877, 894575, 1255045, 1545175, 3399385, 3906853, 6275225, 16996925, 19534265, 42975383, 74230207, 97671325, 214876915, 371151035, 816532277, 1074384575, 1855755175, 4082661385, 20413306925]

約数ペア:

[(1, 20413306925), (5, 4082661385), (11, 1855755175), (19, 1074384575), (25, 816532277), (55, 371151035), (95, 214876915), (209, 97671325), (275, 74230207), (475, 42975383), (1045, 19534265), (1201, 16996925), (3253, 6275225), (5225, 3906853), (6005, 3399385), (13211, 1545175), (16265, 1255045), (22819, 894575), (30025, 679877), (35783, 570475), (61807, 330275), (66055, 309035), (81325, 251009), (114095, 178915)]