20302830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 57507840

約数和(自身を除く): 37205010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 155, 171, 186, 190, 279, 285, 310, 342, 383, 465, 558, 570, 589, 766, 855, 930, 1149, 1178, 1395, 1710, 1767, 1915, 2298, 2790, 2945, 3447, 3534, 3830, 5301, 5745, 5890, 6894, 7277, 8835, 10602, 11490, 11873, 14554, 17235, 17670, 21831, 23746, 26505, 34470, 35619, 36385, 43662, 53010, 59365, 65493, 71238, 72770, 106857, 109155, 118730, 130986, 178095, 213714, 218310, 225587, 327465, 356190, 451174, 534285, 654930, 676761, 1068570, 1127935, 1353522, 2030283, 2255870, 3383805, 4060566, 6767610, 10151415, 20302830]

約数ペア:

[(1, 20302830), (2, 10151415), (3, 6767610), (5, 4060566), (6, 3383805), (9, 2255870), (10, 2030283), (15, 1353522), (18, 1127935), (19, 1068570), (30, 676761), (31, 654930), (38, 534285), (45, 451174), (57, 356190), (62, 327465), (90, 225587), (93, 218310), (95, 213714), (114, 178095), (155, 130986), (171, 118730), (186, 109155), (190, 106857), (279, 72770), (285, 71238), (310, 65493), (342, 59365), (383, 53010), (465, 43662), (558, 36385), (570, 35619), (589, 34470), (766, 26505), (855, 23746), (930, 21831), (1149, 17670), (1178, 17235), (1395, 14554), (1710, 11873), (1767, 11490), (1915, 10602), (2298, 8835), (2790, 7277), (2945, 6894), (3447, 5890), (3534, 5745), (3830, 5301)]