20041832525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{25367}}^1$

素因数の和:25431

約数の個数: 72

約数和(自身を含む): 31085135424

約数和(自身を除く): 11043302899

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 169, 187, 221, 275, 325, 425, 715, 845, 935, 1105, 1859, 2431, 2873, 3575, 4225, 4675, 5525, 9295, 12155, 14365, 25367, 31603, 46475, 60775, 71825, 126835, 158015, 279037, 329771, 431239, 634175, 790075, 1395185, 1648855, 2156195, 3627481, 4287023, 4743629, 5606107, 6975925, 8244275, 10780975, 18137405, 21435115, 23718145, 28030535, 47157253, 61667177, 72879391, 90687025, 107175575, 118590725, 140152675, 235786265, 308335885, 364396955, 801673301, 1178931325, 1541679425, 1821984775, 4008366505, 20041832525]

約数ペア:

[(1, 20041832525), (5, 4008366505), (11, 1821984775), (13, 1541679425), (17, 1178931325), (25, 801673301), (55, 364396955), (65, 308335885), (85, 235786265), (143, 140152675), (169, 118590725), (187, 107175575), (221, 90687025), (275, 72879391), (325, 61667177), (425, 47157253), (715, 28030535), (845, 23718145), (935, 21435115), (1105, 18137405), (1859, 10780975), (2431, 8244275), (2873, 6975925), (3575, 5606107), (4225, 4743629), (4675, 4287023), (5525, 3627481), (9295, 2156195), (12155, 1648855), (14365, 1395185), (25367, 790075), (31603, 634175), (46475, 431239), (60775, 329771), (71825, 279037), (126835, 158015)]