20440650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 54282240

約数和(自身を除く): 33841590

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 37, 50, 58, 74, 75, 87, 111, 127, 145, 150, 174, 185, 222, 254, 290, 370, 381, 435, 555, 635, 725, 762, 870, 925, 1073, 1110, 1270, 1450, 1850, 1905, 2146, 2175, 2775, 3175, 3219, 3683, 3810, 4350, 4699, 5365, 5550, 6350, 6438, 7366, 9398, 9525, 10730, 11049, 14097, 16095, 18415, 19050, 22098, 23495, 26825, 28194, 32190, 36830, 46990, 53650, 55245, 70485, 80475, 92075, 110490, 117475, 136271, 140970, 160950, 184150, 234950, 272542, 276225, 352425, 408813, 552450, 681355, 704850, 817626, 1362710, 2044065, 3406775, 4088130, 6813550, 10220325, 20440650]

約数ペア:

[(1, 20440650), (2, 10220325), (3, 6813550), (5, 4088130), (6, 3406775), (10, 2044065), (15, 1362710), (25, 817626), (29, 704850), (30, 681355), (37, 552450), (50, 408813), (58, 352425), (74, 276225), (75, 272542), (87, 234950), (111, 184150), (127, 160950), (145, 140970), (150, 136271), (174, 117475), (185, 110490), (222, 92075), (254, 80475), (290, 70485), (370, 55245), (381, 53650), (435, 46990), (555, 36830), (635, 32190), (725, 28194), (762, 26825), (870, 23495), (925, 22098), (1073, 19050), (1110, 18415), (1270, 16095), (1450, 14097), (1850, 11049), (1905, 10730), (2146, 9525), (2175, 9398), (2775, 7366), (3175, 6438), (3219, 6350), (3683, 5550), (3810, 5365), (4350, 4699)]