20319530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2399}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25645270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2399, 4235, 4798, 8470, 11995, 16793, 23990, 26389, 33586, 52778, 83965, 131945, 167930, 184723, 263890, 290279, 369446, 580558, 923615, 1451395, 1847230, 2031953, 2902790, 4063906, 10159765, 20319530]

約数ペア:

[(1, 20319530), (2, 10159765), (5, 4063906), (7, 2902790), (10, 2031953), (11, 1847230), (14, 1451395), (22, 923615), (35, 580558), (55, 369446), (70, 290279), (77, 263890), (110, 184723), (121, 167930), (154, 131945), (242, 83965), (385, 52778), (605, 33586), (770, 26389), (847, 23990), (1210, 16793), (1694, 11995), (2399, 8470), (4235, 4798)]