20466537

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 34164480

約数和(自身を除く): 13697943

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1229, 1281, 2379, 3687, 5551, 8603, 15977, 16653, 25809, 47931, 74969, 111839, 224907, 335517, 524783, 974597, 1574349, 2923791, 6822179, 20466537]

約数ペア:

[(1, 20466537), (3, 6822179), (7, 2923791), (13, 1574349), (21, 974597), (39, 524783), (61, 335517), (91, 224907), (183, 111839), (273, 74969), (427, 47931), (793, 25809), (1229, 16653), (1281, 15977), (2379, 8603), (3687, 5551)]