20264838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 45147648

約数和(自身を除く): 24882810

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 103, 121, 206, 242, 271, 309, 363, 542, 618, 726, 813, 1133, 1626, 2266, 2981, 3399, 5962, 6798, 8943, 12463, 17886, 24926, 27913, 32791, 37389, 55826, 65582, 74778, 83739, 98373, 167478, 196746, 307043, 614086, 921129, 1842258, 3377473, 6754946, 10132419, 20264838]

約数ペア:

[(1, 20264838), (2, 10132419), (3, 6754946), (6, 3377473), (11, 1842258), (22, 921129), (33, 614086), (66, 307043), (103, 196746), (121, 167478), (206, 98373), (242, 83739), (271, 74778), (309, 65582), (363, 55826), (542, 37389), (618, 32791), (726, 27913), (813, 24926), (1133, 17886), (1626, 12463), (2266, 8943), (2981, 6798), (3399, 5962)]