20940850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 48568320

約数和(自身を除く): 27627470

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 47, 50, 67, 70, 94, 95, 133, 134, 175, 190, 235, 266, 329, 335, 350, 469, 470, 475, 658, 665, 670, 893, 938, 950, 1175, 1273, 1330, 1645, 1675, 1786, 2345, 2350, 2546, 3149, 3290, 3325, 3350, 4465, 4690, 6251, 6298, 6365, 6650, 8225, 8911, 8930, 11725, 12502, 12730, 15745, 16450, 17822, 22043, 22325, 23450, 31255, 31490, 31825, 44086, 44555, 44650, 59831, 62510, 63650, 78725, 89110, 110215, 119662, 156275, 157450, 220430, 222775, 299155, 312550, 418817, 445550, 551075, 598310, 837634, 1102150, 1495775, 2094085, 2991550, 4188170, 10470425, 20940850]

約数ペア:

[(1, 20940850), (2, 10470425), (5, 4188170), (7, 2991550), (10, 2094085), (14, 1495775), (19, 1102150), (25, 837634), (35, 598310), (38, 551075), (47, 445550), (50, 418817), (67, 312550), (70, 299155), (94, 222775), (95, 220430), (133, 157450), (134, 156275), (175, 119662), (190, 110215), (235, 89110), (266, 78725), (329, 63650), (335, 62510), (350, 59831), (469, 44650), (470, 44555), (475, 44086), (658, 31825), (665, 31490), (670, 31255), (893, 23450), (938, 22325), (950, 22043), (1175, 17822), (1273, 16450), (1330, 15745), (1645, 12730), (1675, 12502), (1786, 11725), (2345, 8930), (2350, 8911), (2546, 8225), (3149, 6650), (3290, 6365), (3325, 6298), (3350, 6251), (4465, 4690)]