20299860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16111}}^1$

素因数の和:16133

約数の個数: 72

約数和(自身を含む): 70377216

約数和(自身を除く): 50077356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16111, 32222, 48333, 64444, 80555, 96666, 112777, 144999, 161110, 193332, 225554, 241665, 289998, 322220, 338331, 451108, 483330, 563885, 579996, 676662, 724995, 966660, 1014993, 1127770, 1353324, 1449990, 1691655, 2029986, 2255540, 2899980, 3383310, 4059972, 5074965, 6766620, 10149930, 20299860]

約数ペア:

[(1, 20299860), (2, 10149930), (3, 6766620), (4, 5074965), (5, 4059972), (6, 3383310), (7, 2899980), (9, 2255540), (10, 2029986), (12, 1691655), (14, 1449990), (15, 1353324), (18, 1127770), (20, 1014993), (21, 966660), (28, 724995), (30, 676662), (35, 579996), (36, 563885), (42, 483330), (45, 451108), (60, 338331), (63, 322220), (70, 289998), (84, 241665), (90, 225554), (105, 193332), (126, 161110), (140, 144999), (180, 112777), (210, 96666), (252, 80555), (315, 64444), (420, 48333), (630, 32222), (1260, 16111)]