20512223032

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{70157}}^1$

素因数の和:70420

約数の個数: 64

約数和(自身を含む): 46068549120

約数和(自身を除く): 25556326088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 227, 322, 454, 644, 908, 1288, 1589, 1816, 3178, 5221, 6356, 10442, 12712, 20884, 36547, 41768, 70157, 73094, 140314, 146188, 280628, 292376, 491099, 561256, 982198, 1613611, 1964396, 3227222, 3928792, 6454444, 11295277, 12908888, 15925639, 22590554, 31851278, 45181108, 63702556, 90362216, 111479473, 127405112, 222958946, 366289697, 445917892, 732579394, 891835784, 1465158788, 2564027879, 2930317576, 5128055758, 10256111516, 20512223032]

約数ペア:

[(1, 20512223032), (2, 10256111516), (4, 5128055758), (7, 2930317576), (8, 2564027879), (14, 1465158788), (23, 891835784), (28, 732579394), (46, 445917892), (56, 366289697), (92, 222958946), (161, 127405112), (184, 111479473), (227, 90362216), (322, 63702556), (454, 45181108), (644, 31851278), (908, 22590554), (1288, 15925639), (1589, 12908888), (1816, 11295277), (3178, 6454444), (5221, 3928792), (6356, 3227222), (10442, 1964396), (12712, 1613611), (20884, 982198), (36547, 561256), (41768, 491099), (70157, 292376), (73094, 280628), (140314, 146188)]