20972940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1193}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 58974048

約数和(自身を除く): 38001108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1172, 1193, 1465, 1758, 2386, 2930, 3516, 3579, 4395, 4772, 5860, 5965, 7158, 8790, 11930, 14316, 17580, 17895, 23860, 35790, 71580, 349549, 699098, 1048647, 1398196, 1747745, 2097294, 3495490, 4194588, 5243235, 6990980, 10486470, 20972940]

約数ペア:

[(1, 20972940), (2, 10486470), (3, 6990980), (4, 5243235), (5, 4194588), (6, 3495490), (10, 2097294), (12, 1747745), (15, 1398196), (20, 1048647), (30, 699098), (60, 349549), (293, 71580), (586, 35790), (879, 23860), (1172, 17895), (1193, 17580), (1465, 14316), (1758, 11930), (2386, 8790), (2930, 7158), (3516, 5965), (3579, 5860), (4395, 4772)]