20445068

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23100532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 599, 644, 742, 1198, 1219, 1484, 2396, 2438, 4193, 4876, 8386, 8533, 13777, 16772, 17066, 27554, 31747, 34132, 55108, 63494, 96439, 126988, 192878, 222229, 385756, 444458, 730181, 888916, 1460362, 2920724, 5111267, 10222534, 20445068]

約数ペア:

[(1, 20445068), (2, 10222534), (4, 5111267), (7, 2920724), (14, 1460362), (23, 888916), (28, 730181), (46, 444458), (53, 385756), (92, 222229), (106, 192878), (161, 126988), (212, 96439), (322, 63494), (371, 55108), (599, 34132), (644, 31747), (742, 27554), (1198, 17066), (1219, 16772), (1484, 13777), (2396, 8533), (2438, 8386), (4193, 4876)]