20088040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 54193320

約数和(自身を除く): 34105280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 277, 280, 296, 370, 392, 490, 518, 554, 740, 980, 1036, 1108, 1295, 1385, 1480, 1813, 1939, 1960, 2072, 2216, 2590, 2770, 3626, 3878, 5180, 5540, 7252, 7756, 9065, 9695, 10249, 10360, 11080, 13573, 14504, 15512, 18130, 19390, 20498, 27146, 36260, 38780, 40996, 51245, 54292, 67865, 71743, 72520, 77560, 81992, 102490, 108584, 135730, 143486, 204980, 271460, 286972, 358715, 409960, 502201, 542920, 573944, 717430, 1004402, 1434860, 2008804, 2511005, 2869720, 4017608, 5022010, 10044020, 20088040]

約数ペア:

[(1, 20088040), (2, 10044020), (4, 5022010), (5, 4017608), (7, 2869720), (8, 2511005), (10, 2008804), (14, 1434860), (20, 1004402), (28, 717430), (35, 573944), (37, 542920), (40, 502201), (49, 409960), (56, 358715), (70, 286972), (74, 271460), (98, 204980), (140, 143486), (148, 135730), (185, 108584), (196, 102490), (245, 81992), (259, 77560), (277, 72520), (280, 71743), (296, 67865), (370, 54292), (392, 51245), (490, 40996), (518, 38780), (554, 36260), (740, 27146), (980, 20498), (1036, 19390), (1108, 18130), (1295, 15512), (1385, 14504), (1480, 13573), (1813, 11080), (1939, 10360), (1960, 10249), (2072, 9695), (2216, 9065), (2590, 7756), (2770, 7252), (3626, 5540), (3878, 5180)]