20164536

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40009}}^1$

素因数の和:40028

約数の個数: 48

約数和(自身を含む): 62415600

約数和(自身を除く): 42251064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40009, 80018, 120027, 160036, 240054, 280063, 320072, 360081, 480108, 560126, 720162, 840189, 960216, 1120252, 1440324, 1680378, 2240504, 2520567, 2880648, 3360756, 5041134, 6721512, 10082268, 20164536]

約数ペア:

[(1, 20164536), (2, 10082268), (3, 6721512), (4, 5041134), (6, 3360756), (7, 2880648), (8, 2520567), (9, 2240504), (12, 1680378), (14, 1440324), (18, 1120252), (21, 960216), (24, 840189), (28, 720162), (36, 560126), (42, 480108), (56, 360081), (63, 320072), (72, 280063), (84, 240054), (126, 160036), (168, 120027), (252, 80018), (504, 40009)]