20465172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6247}}^1$

素因数の和:6277

約数の個数: 72

約数和(自身を含む): 63679616

約数和(自身を除く): 43214444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6247, 12494, 18741, 24988, 37482, 43729, 56223, 74964, 81211, 87458, 112446, 131187, 162422, 174916, 224892, 243633, 262374, 324844, 393561, 487266, 524748, 568477, 730899, 787122, 974532, 1136954, 1461798, 1574244, 1705431, 2273908, 2923596, 3410862, 5116293, 6821724, 10232586, 20465172]

約数ペア:

[(1, 20465172), (2, 10232586), (3, 6821724), (4, 5116293), (6, 3410862), (7, 2923596), (9, 2273908), (12, 1705431), (13, 1574244), (14, 1461798), (18, 1136954), (21, 974532), (26, 787122), (28, 730899), (36, 568477), (39, 524748), (42, 487266), (52, 393561), (63, 324844), (78, 262374), (84, 243633), (91, 224892), (117, 174916), (126, 162422), (156, 131187), (182, 112446), (234, 87458), (252, 81211), (273, 74964), (364, 56223), (468, 43729), (546, 37482), (819, 24988), (1092, 18741), (1638, 12494), (3276, 6247)]