20348055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4969}}^1$

素因数の和:5000

約数の個数: 48

約数和(自身を含む): 43417920

約数和(自身を除く): 23069865

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4969, 14907, 24845, 34783, 44721, 64597, 74535, 104349, 173915, 193791, 223605, 313047, 322985, 452179, 521745, 581373, 968955, 1356537, 1565235, 2260895, 2906865, 4069611, 6782685, 20348055]

約数ペア:

[(1, 20348055), (3, 6782685), (5, 4069611), (7, 2906865), (9, 2260895), (13, 1565235), (15, 1356537), (21, 968955), (35, 581373), (39, 521745), (45, 452179), (63, 322985), (65, 313047), (91, 223605), (105, 193791), (117, 173915), (195, 104349), (273, 74535), (315, 64597), (455, 44721), (585, 34783), (819, 24845), (1365, 14907), (4095, 4969)]