20574675

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 43925760

約数和(自身を除く): 23351085

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 153, 163, 165, 187, 225, 255, 275, 297, 425, 459, 489, 495, 561, 675, 765, 815, 825, 935, 1275, 1467, 1485, 1683, 1793, 2295, 2445, 2475, 2771, 2805, 3825, 4075, 4401, 4675, 5049, 5379, 7335, 7425, 8313, 8415, 8965, 11475, 12225, 13855, 14025, 16137, 22005, 24939, 25245, 26895, 30481, 36675, 41565, 42075, 44825, 48411, 69275, 74817, 80685, 91443, 110025, 124695, 126225, 134475, 152405, 207825, 242055, 274329, 374085, 403425, 457215, 623475, 762025, 822987, 1210275, 1371645, 1870425, 2286075, 4114935, 6858225, 20574675]

約数ペア:

[(1, 20574675), (3, 6858225), (5, 4114935), (9, 2286075), (11, 1870425), (15, 1371645), (17, 1210275), (25, 822987), (27, 762025), (33, 623475), (45, 457215), (51, 403425), (55, 374085), (75, 274329), (85, 242055), (99, 207825), (135, 152405), (153, 134475), (163, 126225), (165, 124695), (187, 110025), (225, 91443), (255, 80685), (275, 74817), (297, 69275), (425, 48411), (459, 44825), (489, 42075), (495, 41565), (561, 36675), (675, 30481), (765, 26895), (815, 25245), (825, 24939), (935, 22005), (1275, 16137), (1467, 14025), (1485, 13855), (1683, 12225), (1793, 11475), (2295, 8965), (2445, 8415), (2475, 8313), (2771, 7425), (2805, 7335), (3825, 5379), (4075, 5049), (4401, 4675)]