20396964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5647}}^1$

素因数の和:5704

約数の個数: 48

約数和(自身を含む): 55666688

約数和(自身を除く): 35269724

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, 5647, 11294, 16941, 22588, 33882, 39529, 67764, 79058, 118587, 158116, 237174, 242821, 474348, 485642, 728463, 971284, 1456926, 1699747, 2913852, 3399494, 5099241, 6798988, 10198482, 20396964]

約数ペア:

[(1, 20396964), (2, 10198482), (3, 6798988), (4, 5099241), (6, 3399494), (7, 2913852), (12, 1699747), (14, 1456926), (21, 971284), (28, 728463), (42, 485642), (43, 474348), (84, 242821), (86, 237174), (129, 158116), (172, 118587), (258, 79058), (301, 67764), (516, 39529), (602, 33882), (903, 22588), (1204, 16941), (1806, 11294), (3612, 5647)]