20005260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1823

約数の個数: 96

約数和(自身を含む): 64737792

約数和(自身を除く): 44732532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1783, 1870, 2244, 2805, 3566, 3740, 5349, 5610, 7132, 8915, 10698, 11220, 17830, 19613, 21396, 26745, 30311, 35660, 39226, 53490, 58839, 60622, 78452, 90933, 98065, 106980, 117678, 121244, 151555, 181866, 196130, 235356, 294195, 303110, 333421, 363732, 392260, 454665, 588390, 606220, 666842, 909330, 1000263, 1176780, 1333684, 1667105, 1818660, 2000526, 3334210, 4001052, 5001315, 6668420, 10002630, 20005260]

約数ペア:

[(1, 20005260), (2, 10002630), (3, 6668420), (4, 5001315), (5, 4001052), (6, 3334210), (10, 2000526), (11, 1818660), (12, 1667105), (15, 1333684), (17, 1176780), (20, 1000263), (22, 909330), (30, 666842), (33, 606220), (34, 588390), (44, 454665), (51, 392260), (55, 363732), (60, 333421), (66, 303110), (68, 294195), (85, 235356), (102, 196130), (110, 181866), (132, 151555), (165, 121244), (170, 117678), (187, 106980), (204, 98065), (220, 90933), (255, 78452), (330, 60622), (340, 58839), (374, 53490), (510, 39226), (561, 35660), (660, 30311), (748, 26745), (935, 21396), (1020, 19613), (1122, 17830), (1783, 11220), (1870, 10698), (2244, 8915), (2805, 7132), (3566, 5610), (3740, 5349)]