20883618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 31345182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1549, 1926, 2247, 3098, 4494, 4647, 6741, 9294, 10843, 13482, 13941, 21686, 27882, 32529, 65058, 97587, 165743, 195174, 331486, 497229, 994458, 1160201, 1491687, 2320402, 2983374, 3480603, 6961206, 10441809, 20883618]

約数ペア:

[(1, 20883618), (2, 10441809), (3, 6961206), (6, 3480603), (7, 2983374), (9, 2320402), (14, 1491687), (18, 1160201), (21, 994458), (42, 497229), (63, 331486), (107, 195174), (126, 165743), (214, 97587), (321, 65058), (642, 32529), (749, 27882), (963, 21686), (1498, 13941), (1549, 13482), (1926, 10843), (2247, 9294), (3098, 6741), (4494, 4647)]