20585214

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 49502232

約数和(自身を除く): 28917018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 101, 117, 134, 169, 201, 202, 234, 303, 338, 402, 507, 603, 606, 871, 909, 1014, 1206, 1313, 1521, 1742, 1818, 2613, 2626, 3042, 3939, 5226, 6767, 7839, 7878, 11323, 11817, 13534, 15678, 17069, 20301, 22646, 23634, 33969, 34138, 40602, 51207, 60903, 67938, 87971, 101907, 102414, 121806, 153621, 175942, 203814, 263913, 307242, 527826, 791739, 1143623, 1583478, 2287246, 3430869, 6861738, 10292607, 20585214]

約数ペア:

[(1, 20585214), (2, 10292607), (3, 6861738), (6, 3430869), (9, 2287246), (13, 1583478), (18, 1143623), (26, 791739), (39, 527826), (67, 307242), (78, 263913), (101, 203814), (117, 175942), (134, 153621), (169, 121806), (201, 102414), (202, 101907), (234, 87971), (303, 67938), (338, 60903), (402, 51207), (507, 40602), (603, 34138), (606, 33969), (871, 23634), (909, 22646), (1014, 20301), (1206, 17069), (1313, 15678), (1521, 13534), (1742, 11817), (1818, 11323), (2613, 7878), (2626, 7839), (3042, 6767), (3939, 5226)]