20031615

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 36492768

約数和(自身を除く): 16461153

約数列:

[1, 3, 5, 9, 15, 37, 45, 53, 111, 159, 185, 227, 265, 333, 477, 555, 681, 795, 1135, 1665, 1961, 2043, 2385, 3405, 5883, 8399, 9805, 10215, 12031, 17649, 25197, 29415, 36093, 41995, 60155, 75591, 88245, 108279, 125985, 180465, 377955, 445147, 541395, 1335441, 2225735, 4006323, 6677205, 20031615]

約数ペア:

[(1, 20031615), (3, 6677205), (5, 4006323), (9, 2225735), (15, 1335441), (37, 541395), (45, 445147), (53, 377955), (111, 180465), (159, 125985), (185, 108279), (227, 88245), (265, 75591), (333, 60155), (477, 41995), (555, 36093), (681, 29415), (795, 25197), (1135, 17649), (1665, 12031), (1961, 10215), (2043, 9805), (2385, 8399), (3405, 5883)]