20573770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 25506230

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 499, 589, 665, 998, 1085, 1178, 1330, 2170, 2495, 2945, 3493, 4123, 4990, 5890, 6986, 8246, 9481, 15469, 17465, 18962, 20615, 30938, 34930, 41230, 47405, 66367, 77345, 94810, 108283, 132734, 154690, 216566, 293911, 331835, 541415, 587822, 663670, 1082830, 1469555, 2057377, 2939110, 4114754, 10286885, 20573770]

約数ペア:

[(1, 20573770), (2, 10286885), (5, 4114754), (7, 2939110), (10, 2057377), (14, 1469555), (19, 1082830), (31, 663670), (35, 587822), (38, 541415), (62, 331835), (70, 293911), (95, 216566), (133, 154690), (155, 132734), (190, 108283), (217, 94810), (266, 77345), (310, 66367), (434, 47405), (499, 41230), (589, 34930), (665, 30938), (998, 20615), (1085, 18962), (1178, 17465), (1330, 15469), (2170, 9481), (2495, 8246), (2945, 6986), (3493, 5890), (4123, 4990)]