20320530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6983}}^1$

素因数の和:7090

約数の個数: 32

約数和(自身を含む): 49279104

約数和(自身を除く): 28958574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 6983, 13966, 20949, 34915, 41898, 69830, 104745, 209490, 677351, 1354702, 2032053, 3386755, 4064106, 6773510, 10160265, 20320530]

約数ペア:

[(1, 20320530), (2, 10160265), (3, 6773510), (5, 4064106), (6, 3386755), (10, 2032053), (15, 1354702), (30, 677351), (97, 209490), (194, 104745), (291, 69830), (485, 41898), (582, 34915), (970, 20949), (1455, 13966), (2910, 6983)]