20213854515

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1\times {\mathrm{11161}}^1$

素因数の和:11580

約数の個数: 48

約数和(自身を含む): 35396577216

約数和(自身を除く): 15182722701

約数列:

[1, 3, 5, 9, 15, 45, 167, 241, 501, 723, 835, 1205, 1503, 2169, 2505, 3615, 7515, 10845, 11161, 33483, 40247, 55805, 100449, 120741, 167415, 201235, 362223, 502245, 603705, 1811115, 1863887, 2689801, 5591661, 8069403, 9319435, 13449005, 16774983, 24208209, 27958305, 40347015, 83874915, 121041045, 449196767, 1347590301, 2245983835, 4042770903, 6737951505, 20213854515]

約数ペア:

[(1, 20213854515), (3, 6737951505), (5, 4042770903), (9, 2245983835), (15, 1347590301), (45, 449196767), (167, 121041045), (241, 83874915), (501, 40347015), (723, 27958305), (835, 24208209), (1205, 16774983), (1503, 13449005), (2169, 9319435), (2505, 8069403), (3615, 5591661), (7515, 2689801), (10845, 1863887), (11161, 1811115), (33483, 603705), (40247, 502245), (55805, 362223), (100449, 201235), (120741, 167415)]