20071987390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{20789}}^1$

素因数の和:21877

約数の個数: 64

約数和(自身を含む): 44511223680

約数和(自身を除く): 24439236290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1061, 2122, 5305, 7427, 10610, 13793, 14854, 20789, 27586, 37135, 41578, 68965, 74270, 96551, 103945, 137930, 145523, 193102, 207890, 270257, 291046, 482755, 540514, 727615, 965510, 1351285, 1455230, 1891799, 2702570, 3783598, 9458995, 18917990, 22057129, 44114258, 110285645, 154399903, 220571290, 286742677, 308799806, 573485354, 771999515, 1433713385, 1543999030, 2007198739, 2867426770, 4014397478, 10035993695, 20071987390]

約数ペア:

[(1, 20071987390), (2, 10035993695), (5, 4014397478), (7, 2867426770), (10, 2007198739), (13, 1543999030), (14, 1433713385), (26, 771999515), (35, 573485354), (65, 308799806), (70, 286742677), (91, 220571290), (130, 154399903), (182, 110285645), (455, 44114258), (910, 22057129), (1061, 18917990), (2122, 9458995), (5305, 3783598), (7427, 2702570), (10610, 1891799), (13793, 1455230), (14854, 1351285), (20789, 965510), (27586, 727615), (37135, 540514), (41578, 482755), (68965, 291046), (74270, 270257), (96551, 207890), (103945, 193102), (137930, 145523)]