20194012700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{17971}}^1$

素因数の和:18663

約数の個数: 72

約数和(自身を含む): 46471494384

約数和(自身を除く): 26277481684

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 661, 850, 1322, 1700, 2644, 3305, 6610, 11237, 13220, 16525, 17971, 22474, 33050, 35942, 44948, 56185, 66100, 71884, 89855, 112370, 179710, 224740, 280925, 305507, 359420, 449275, 561850, 611014, 898550, 1123700, 1222028, 1527535, 1797100, 3055070, 6110140, 7637675, 11878831, 15275350, 23757662, 30550700, 47515324, 59394155, 118788310, 201940127, 237576620, 296970775, 403880254, 593941550, 807760508, 1009700635, 1187883100, 2019401270, 4038802540, 5048503175, 10097006350, 20194012700]

約数ペア:

[(1, 20194012700), (2, 10097006350), (4, 5048503175), (5, 4038802540), (10, 2019401270), (17, 1187883100), (20, 1009700635), (25, 807760508), (34, 593941550), (50, 403880254), (68, 296970775), (85, 237576620), (100, 201940127), (170, 118788310), (340, 59394155), (425, 47515324), (661, 30550700), (850, 23757662), (1322, 15275350), (1700, 11878831), (2644, 7637675), (3305, 6110140), (6610, 3055070), (11237, 1797100), (13220, 1527535), (16525, 1222028), (17971, 1123700), (22474, 898550), (33050, 611014), (35942, 561850), (44948, 449275), (56185, 359420), (66100, 305507), (71884, 280925), (89855, 224740), (112370, 179710)]