20722338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4217}}^1$

素因数の和:4248

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 35967582

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4217, 4914, 8434, 12651, 25302, 29519, 37953, 54821, 59038, 75906, 88557, 109642, 113859, 164463, 177114, 227718, 265671, 328926, 383747, 493389, 531342, 767494, 797013, 986778, 1151241, 1480167, 1594026, 2302482, 2960334, 3453723, 6907446, 10361169, 20722338]

約数ペア:

[(1, 20722338), (2, 10361169), (3, 6907446), (6, 3453723), (7, 2960334), (9, 2302482), (13, 1594026), (14, 1480167), (18, 1151241), (21, 986778), (26, 797013), (27, 767494), (39, 531342), (42, 493389), (54, 383747), (63, 328926), (78, 265671), (91, 227718), (117, 177114), (126, 164463), (182, 113859), (189, 109642), (234, 88557), (273, 75906), (351, 59038), (378, 54821), (546, 37953), (702, 29519), (819, 25302), (1638, 12651), (2457, 8434), (4217, 4914)]