20121476

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 36855000

約数和(自身を除く): 16733524

約数列:

[1, 2, 4, 29, 58, 89, 116, 178, 356, 1949, 2581, 3898, 5162, 7796, 10324, 56521, 113042, 173461, 226084, 346922, 693844, 5030369, 10060738, 20121476]

約数ペア:

[(1, 20121476), (2, 10060738), (4, 5030369), (29, 693844), (58, 346922), (89, 226084), (116, 173461), (178, 113042), (356, 56521), (1949, 10324), (2581, 7796), (3898, 5162)]