20121448232

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{72649}}^1$

素因数の和:73133

約数の個数: 32

約数和(自身を含む): 38250225000

約数和(自身を除く): 18128776768

約数列:

[1, 2, 4, 8, 89, 178, 356, 389, 712, 778, 1556, 3112, 34621, 69242, 72649, 138484, 145298, 276968, 290596, 581192, 6465761, 12931522, 25863044, 28260461, 51726088, 56520922, 113041844, 226083688, 2515181029, 5030362058, 10060724116, 20121448232]

約数ペア:

[(1, 20121448232), (2, 10060724116), (4, 5030362058), (8, 2515181029), (89, 226083688), (178, 113041844), (356, 56520922), (389, 51726088), (712, 28260461), (778, 25863044), (1556, 12931522), (3112, 6465761), (34621, 581192), (69242, 290596), (72649, 276968), (138484, 145298)]