20768060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 25166500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 587, 610, 1174, 1220, 1769, 2348, 2935, 3538, 5870, 7076, 8845, 11740, 17023, 17690, 34046, 35380, 35807, 68092, 71614, 85115, 143228, 170230, 179035, 340460, 358070, 716140, 1038403, 2076806, 4153612, 5192015, 10384030, 20768060]

約数ペア:

[(1, 20768060), (2, 10384030), (4, 5192015), (5, 4153612), (10, 2076806), (20, 1038403), (29, 716140), (58, 358070), (61, 340460), (116, 179035), (122, 170230), (145, 143228), (244, 85115), (290, 71614), (305, 68092), (580, 35807), (587, 35380), (610, 34046), (1174, 17690), (1220, 17023), (1769, 11740), (2348, 8845), (2935, 7076), (3538, 5870)]