20467130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 38458368

約数和(自身を除く): 17991238

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 641, 1030, 1282, 3193, 3205, 6386, 6410, 15965, 19871, 31930, 39742, 66023, 99355, 132046, 198710, 330115, 660230, 2046713, 4093426, 10233565, 20467130]

約数ペア:

[(1, 20467130), (2, 10233565), (5, 4093426), (10, 2046713), (31, 660230), (62, 330115), (103, 198710), (155, 132046), (206, 99355), (310, 66023), (515, 39742), (641, 31930), (1030, 19871), (1282, 15965), (3193, 6410), (3205, 6386)]