20121247960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45730109}}^1$

素因数の和:45730131

約数の個数: 32

約数和(自身を含む): 49388518800

約数和(自身を除く): 29267270840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45730109, 91460218, 182920436, 228650545, 365840872, 457301090, 503031199, 914602180, 1006062398, 1829204360, 2012124796, 2515155995, 4024249592, 5030311990, 10060623980, 20121247960]

約数ペア:

[(1, 20121247960), (2, 10060623980), (4, 5030311990), (5, 4024249592), (8, 2515155995), (10, 2012124796), (11, 1829204360), (20, 1006062398), (22, 914602180), (40, 503031199), (44, 457301090), (55, 365840872), (88, 228650545), (110, 182920436), (220, 91460218), (440, 45730109)]