20570732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 45760512

約数和(自身を除く): 25189780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1823, 2821, 3646, 5642, 7292, 11284, 12761, 23699, 25522, 47398, 51044, 56513, 94796, 113026, 165893, 226052, 331786, 395591, 663572, 734669, 791182, 1469338, 1582364, 2938676, 5142683, 10285366, 20570732]

約数ペア:

[(1, 20570732), (2, 10285366), (4, 5142683), (7, 2938676), (13, 1582364), (14, 1469338), (26, 791182), (28, 734669), (31, 663572), (52, 395591), (62, 331786), (91, 226052), (124, 165893), (182, 113026), (217, 94796), (364, 56513), (403, 51044), (434, 47398), (806, 25522), (868, 23699), (1612, 12761), (1823, 11284), (2821, 7292), (3646, 5642)]