20120929100

素因数分解:

$2^2\times 5^2\times {\mathrm{2281}}^1\times {\mathrm{88211}}^1$

素因数の和:90506

約数の個数: 36

約数和(自身を含む): 43682053128

約数和(自身を除く): 23561124028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2281, 4562, 9124, 11405, 22810, 45620, 57025, 88211, 114050, 176422, 228100, 352844, 441055, 882110, 1764220, 2205275, 4410550, 8821100, 201209291, 402418582, 804837164, 1006046455, 2012092910, 4024185820, 5030232275, 10060464550, 20120929100]

約数ペア:

[(1, 20120929100), (2, 10060464550), (4, 5030232275), (5, 4024185820), (10, 2012092910), (20, 1006046455), (25, 804837164), (50, 402418582), (100, 201209291), (2281, 8821100), (4562, 4410550), (9124, 2205275), (11405, 1764220), (22810, 882110), (45620, 441055), (57025, 352844), (88211, 228100), (114050, 176422)]