20196813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 13220403

約数列:

[1, 3, 7, 13, 21, 39, 91, 167, 273, 443, 501, 1169, 1329, 2171, 3101, 3507, 5759, 6513, 9303, 15197, 17277, 40313, 45591, 73981, 120939, 221943, 517867, 961753, 1553601, 2885259, 6732271, 20196813]

約数ペア:

[(1, 20196813), (3, 6732271), (7, 2885259), (13, 1553601), (21, 961753), (39, 517867), (91, 221943), (167, 120939), (273, 73981), (443, 45591), (501, 40313), (1169, 17277), (1329, 15197), (2171, 9303), (3101, 6513), (3507, 5759)]