20200080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4951}}^1$

素因数の和:4984

約数の個数: 80

約数和(自身を含む): 66317184

約数和(自身を除く): 46117104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4951, 9902, 14853, 19804, 24755, 29706, 39608, 49510, 59412, 74265, 79216, 84167, 99020, 118824, 148530, 168334, 198040, 237648, 252501, 297060, 336668, 396080, 420835, 505002, 594120, 673336, 841670, 1010004, 1188240, 1262505, 1346672, 1683340, 2020008, 2525010, 3366680, 4040016, 5050020, 6733360, 10100040, 20200080]

約数ペア:

[(1, 20200080), (2, 10100040), (3, 6733360), (4, 5050020), (5, 4040016), (6, 3366680), (8, 2525010), (10, 2020008), (12, 1683340), (15, 1346672), (16, 1262505), (17, 1188240), (20, 1010004), (24, 841670), (30, 673336), (34, 594120), (40, 505002), (48, 420835), (51, 396080), (60, 336668), (68, 297060), (80, 252501), (85, 237648), (102, 198040), (120, 168334), (136, 148530), (170, 118824), (204, 99020), (240, 84167), (255, 79216), (272, 74265), (340, 59412), (408, 49510), (510, 39608), (680, 29706), (816, 24755), (1020, 19804), (1360, 14853), (2040, 9902), (4080, 4951)]