20136840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9871}}^1$

素因数の和:9902

約数の個数: 64

約数和(自身を含む): 63970560

約数和(自身を除く): 43833720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9871, 19742, 29613, 39484, 49355, 59226, 78968, 98710, 118452, 148065, 167807, 197420, 236904, 296130, 335614, 394840, 503421, 592260, 671228, 839035, 1006842, 1184520, 1342456, 1678070, 2013684, 2517105, 3356140, 4027368, 5034210, 6712280, 10068420, 20136840]

約数ペア:

[(1, 20136840), (2, 10068420), (3, 6712280), (4, 5034210), (5, 4027368), (6, 3356140), (8, 2517105), (10, 2013684), (12, 1678070), (15, 1342456), (17, 1184520), (20, 1006842), (24, 839035), (30, 671228), (34, 592260), (40, 503421), (51, 394840), (60, 335614), (68, 296130), (85, 236904), (102, 197420), (120, 167807), (136, 148065), (170, 118452), (204, 98710), (255, 78968), (340, 59226), (408, 49355), (510, 39484), (680, 29613), (1020, 19742), (2040, 9871)]