20120504

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61343}}^1$

素因数の和:61390

約数の個数: 16

約数和(自身を含む): 38646720

約数和(自身を除く): 18526216

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61343, 122686, 245372, 490744, 2515063, 5030126, 10060252, 20120504]

約数ペア:

[(1, 20120504), (2, 10060252), (4, 5030126), (8, 2515063), (41, 490744), (82, 245372), (164, 122686), (328, 61343)]