20690316

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3361}}^1$

素因数の和:3396

約数の個数: 60

約数和(自身を含む): 56952280

約数和(自身を除く): 36261964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3361, 6156, 6722, 10083, 13444, 20166, 30249, 40332, 60498, 63859, 90747, 120996, 127718, 181494, 191577, 255436, 272241, 362988, 383154, 544482, 574731, 766308, 1088964, 1149462, 1724193, 2298924, 3448386, 5172579, 6896772, 10345158, 20690316]

約数ペア:

[(1, 20690316), (2, 10345158), (3, 6896772), (4, 5172579), (6, 3448386), (9, 2298924), (12, 1724193), (18, 1149462), (19, 1088964), (27, 766308), (36, 574731), (38, 544482), (54, 383154), (57, 362988), (76, 272241), (81, 255436), (108, 191577), (114, 181494), (162, 127718), (171, 120996), (228, 90747), (324, 63859), (342, 60498), (513, 40332), (684, 30249), (1026, 20166), (1539, 13444), (2052, 10083), (3078, 6722), (3361, 6156)]