20435408

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7933}}^1$

素因数の和:7971

約数の個数: 40

約数和(自身を含む): 47223168

約数和(自身を除く): 26787760

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7933, 15866, 31732, 55531, 63464, 111062, 126928, 182459, 222124, 364918, 444248, 729836, 888496, 1277213, 1459672, 2554426, 2919344, 5108852, 10217704, 20435408]

約数ペア:

[(1, 20435408), (2, 10217704), (4, 5108852), (7, 2919344), (8, 2554426), (14, 1459672), (16, 1277213), (23, 888496), (28, 729836), (46, 444248), (56, 364918), (92, 222124), (112, 182459), (161, 126928), (184, 111062), (322, 63464), (368, 55531), (644, 31732), (1288, 15866), (2576, 7933)]