20194497540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{942787}}^1$

素因数の和:942826

約数の個数: 144

約数和(自身を含む): 74125763712

約数和(自身を除く): 53931266172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 942787, 1885574, 2828361, 3771148, 4713935, 5656722, 6599509, 8485083, 9427870, 11313444, 13199018, 14141805, 16027379, 16970166, 18855740, 19798527, 26398036, 28283610, 32054758, 32997545, 33940332, 39597054, 42425415, 48082137, 56567220, 59395581, 64109516, 65995090, 79194108, 80136895, 84850830, 96164274, 98992635, 112191653, 118791162, 131990180, 144246411, 160273790, 169701660, 192328548, 197985270, 224383306, 237582324, 240410685, 288492822, 296977905, 320547580, 336574959, 395970540, 448766612, 480821370, 560958265, 576985644, 593955810, 673149918, 721232055, 961642740, 1009724877, 1121916530, 1187911620, 1346299836, 1442464110, 1682874795, 2019449754, 2243833060, 2884928220, 3365749590, 4038899508, 5048624385, 6731499180, 10097248770, 20194497540]

約数ペア:

[(1, 20194497540), (2, 10097248770), (3, 6731499180), (4, 5048624385), (5, 4038899508), (6, 3365749590), (7, 2884928220), (9, 2243833060), (10, 2019449754), (12, 1682874795), (14, 1442464110), (15, 1346299836), (17, 1187911620), (18, 1121916530), (20, 1009724877), (21, 961642740), (28, 721232055), (30, 673149918), (34, 593955810), (35, 576985644), (36, 560958265), (42, 480821370), (45, 448766612), (51, 395970540), (60, 336574959), (63, 320547580), (68, 296977905), (70, 288492822), (84, 240410685), (85, 237582324), (90, 224383306), (102, 197985270), (105, 192328548), (119, 169701660), (126, 160273790), (140, 144246411), (153, 131990180), (170, 118791162), (180, 112191653), (204, 98992635), (210, 96164274), (238, 84850830), (252, 80136895), (255, 79194108), (306, 65995090), (315, 64109516), (340, 59395581), (357, 56567220), (420, 48082137), (476, 42425415), (510, 39597054), (595, 33940332), (612, 32997545), (630, 32054758), (714, 28283610), (765, 26398036), (1020, 19798527), (1071, 18855740), (1190, 16970166), (1260, 16027379), (1428, 14141805), (1530, 13199018), (1785, 11313444), (2142, 9427870), (2380, 8485083), (3060, 6599509), (3570, 5656722), (4284, 4713935), (5355, 3771148), (7140, 2828361), (10710, 1885574), (21420, 942787)]