20433231

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 37011520

約数和(自身を除く): 16578289

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 409, 427, 549, 793, 819, 1227, 1281, 2379, 2863, 3681, 3843, 5317, 5551, 7137, 8589, 15951, 16653, 24949, 25767, 37219, 47853, 49959, 74847, 111657, 174643, 224541, 324337, 334971, 523929, 973011, 1571787, 2270359, 2919033, 6811077, 20433231]

約数ペア:

[(1, 20433231), (3, 6811077), (7, 2919033), (9, 2270359), (13, 1571787), (21, 973011), (39, 523929), (61, 334971), (63, 324337), (91, 224541), (117, 174643), (183, 111657), (273, 74847), (409, 49959), (427, 47853), (549, 37219), (793, 25767), (819, 24949), (1227, 16653), (1281, 15951), (2379, 8589), (2863, 7137), (3681, 5551), (3843, 5317)]