20711934

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 46629648

約数和(自身を除く): 25917714

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 222, 227, 274, 333, 411, 454, 666, 681, 822, 1233, 1362, 2043, 2466, 4086, 5069, 8399, 10138, 15207, 16798, 25197, 30414, 31099, 45621, 50394, 62198, 75591, 91242, 93297, 151182, 186594, 279891, 559782, 1150663, 2301326, 3451989, 6903978, 10355967, 20711934]

約数ペア:

[(1, 20711934), (2, 10355967), (3, 6903978), (6, 3451989), (9, 2301326), (18, 1150663), (37, 559782), (74, 279891), (111, 186594), (137, 151182), (222, 93297), (227, 91242), (274, 75591), (333, 62198), (411, 50394), (454, 45621), (666, 31099), (681, 30414), (822, 25197), (1233, 16798), (1362, 15207), (2043, 10138), (2466, 8399), (4086, 5069)]