20170893375

素因数分解:

$3^4\times 5^3\times {\mathrm{251}}^1\times {\mathrm{7937}}^1$

素因数の和:8215

約数の個数: 80

約数和(自身を含む): 37759097376

約数和(自身を除く): 17588204001

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 251, 375, 405, 675, 753, 1125, 1255, 2025, 2259, 3375, 3765, 6275, 6777, 7937, 10125, 11295, 18825, 20331, 23811, 31375, 33885, 39685, 56475, 71433, 94125, 101655, 119055, 169425, 198425, 214299, 282375, 357165, 508275, 595275, 642897, 847125, 992125, 1071495, 1785825, 1992187, 2541375, 2976375, 3214485, 5357475, 5976561, 8929125, 9960935, 16072425, 17929683, 26787375, 29882805, 49804675, 53789049, 80362125, 89648415, 149414025, 161367147, 249023375, 268945245, 448242075, 747070125, 806835735, 1344726225, 2241210375, 4034178675, 6723631125, 20170893375]

約数ペア:

[(1, 20170893375), (3, 6723631125), (5, 4034178675), (9, 2241210375), (15, 1344726225), (25, 806835735), (27, 747070125), (45, 448242075), (75, 268945245), (81, 249023375), (125, 161367147), (135, 149414025), (225, 89648415), (251, 80362125), (375, 53789049), (405, 49804675), (675, 29882805), (753, 26787375), (1125, 17929683), (1255, 16072425), (2025, 9960935), (2259, 8929125), (3375, 5976561), (3765, 5357475), (6275, 3214485), (6777, 2976375), (7937, 2541375), (10125, 1992187), (11295, 1785825), (18825, 1071495), (20331, 992125), (23811, 847125), (31375, 642897), (33885, 595275), (39685, 508275), (56475, 357165), (71433, 282375), (94125, 214299), (101655, 198425), (119055, 169425)]