22176820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 48299328

約数和(自身を除く): 26122508

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 241, 428, 430, 482, 535, 860, 964, 1070, 1205, 2140, 2410, 4601, 4820, 9202, 10363, 18404, 20726, 23005, 25787, 41452, 46010, 51574, 51815, 92020, 103148, 103630, 128935, 207260, 257870, 515740, 1108841, 2217682, 4435364, 5544205, 11088410, 22176820]

約数ペア:

[(1, 22176820), (2, 11088410), (4, 5544205), (5, 4435364), (10, 2217682), (20, 1108841), (43, 515740), (86, 257870), (107, 207260), (172, 128935), (214, 103630), (215, 103148), (241, 92020), (428, 51815), (430, 51574), (482, 46010), (535, 41452), (860, 25787), (964, 23005), (1070, 20726), (1205, 18404), (2140, 10363), (2410, 9202), (4601, 4820)]