20191628170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{77687}}^1$

素因数の和:77827

約数の個数: 64

約数和(自身を含む): 42958356480

約数和(自身を除く): 22766728310

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 79, 94, 158, 235, 329, 395, 470, 553, 658, 790, 1106, 1645, 2765, 3290, 3713, 5530, 7426, 18565, 25991, 37130, 51982, 77687, 129955, 155374, 259910, 388435, 543809, 776870, 1087618, 2719045, 3651289, 5438090, 6137273, 7302578, 12274546, 18256445, 25559023, 30686365, 36512890, 42960911, 51118046, 61372730, 85921822, 127795115, 214804555, 255590230, 288451831, 429609110, 576903662, 1442259155, 2019162817, 2884518310, 4038325634, 10095814085, 20191628170]

約数ペア:

[(1, 20191628170), (2, 10095814085), (5, 4038325634), (7, 2884518310), (10, 2019162817), (14, 1442259155), (35, 576903662), (47, 429609110), (70, 288451831), (79, 255590230), (94, 214804555), (158, 127795115), (235, 85921822), (329, 61372730), (395, 51118046), (470, 42960911), (553, 36512890), (658, 30686365), (790, 25559023), (1106, 18256445), (1645, 12274546), (2765, 7302578), (3290, 6137273), (3713, 5438090), (5530, 3651289), (7426, 2719045), (18565, 1087618), (25991, 776870), (37130, 543809), (51982, 388435), (77687, 259910), (129955, 155374)]