20158572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5581}}^1$

素因数の和:5638

約数の個数: 48

約数和(自身を含む): 55016192

約数和(自身を除く): 34857620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5581, 11162, 16743, 22324, 33486, 39067, 66972, 78134, 117201, 156268, 234402, 239983, 468804, 479966, 719949, 959932, 1439898, 1679881, 2879796, 3359762, 5039643, 6719524, 10079286, 20158572]

約数ペア:

[(1, 20158572), (2, 10079286), (3, 6719524), (4, 5039643), (6, 3359762), (7, 2879796), (12, 1679881), (14, 1439898), (21, 959932), (28, 719949), (42, 479966), (43, 468804), (84, 239983), (86, 234402), (129, 156268), (172, 117201), (258, 78134), (301, 66972), (516, 39067), (602, 33486), (903, 22324), (1204, 16743), (1806, 11162), (3612, 5581)]