20207220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 96

約数和(自身を含む): 65390976

約数和(自身を除く): 45183756

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, 1801, 1870, 2244, 2805, 3602, 3740, 5403, 5610, 7204, 9005, 10806, 11220, 18010, 19811, 21612, 27015, 30617, 36020, 39622, 54030, 59433, 61234, 79244, 91851, 99055, 108060, 118866, 122468, 153085, 183702, 198110, 237732, 297165, 306170, 336787, 367404, 396220, 459255, 594330, 612340, 673574, 918510, 1010361, 1188660, 1347148, 1683935, 1837020, 2020722, 3367870, 4041444, 5051805, 6735740, 10103610, 20207220]

約数ペア:

[(1, 20207220), (2, 10103610), (3, 6735740), (4, 5051805), (5, 4041444), (6, 3367870), (10, 2020722), (11, 1837020), (12, 1683935), (15, 1347148), (17, 1188660), (20, 1010361), (22, 918510), (30, 673574), (33, 612340), (34, 594330), (44, 459255), (51, 396220), (55, 367404), (60, 336787), (66, 306170), (68, 297165), (85, 237732), (102, 198110), (110, 183702), (132, 153085), (165, 122468), (170, 118866), (187, 108060), (204, 99055), (220, 91851), (255, 79244), (330, 61234), (340, 59433), (374, 54030), (510, 39622), (561, 36020), (660, 30617), (748, 27015), (935, 21612), (1020, 19811), (1122, 18010), (1801, 11220), (1870, 10806), (2244, 9005), (2805, 7204), (3602, 5610), (3740, 5403)]