20894895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22111}}^1$

素因数の和:22132

約数の個数: 32

約数和(自身を含む): 42455040

約数和(自身を除く): 21560145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22111, 66333, 110555, 154777, 198999, 331665, 464331, 596997, 773885, 994995, 1392993, 2321655, 2984985, 4178979, 6964965, 20894895]

約数ペア:

[(1, 20894895), (3, 6964965), (5, 4178979), (7, 2984985), (9, 2321655), (15, 1392993), (21, 994995), (27, 773885), (35, 596997), (45, 464331), (63, 331665), (105, 198999), (135, 154777), (189, 110555), (315, 66333), (945, 22111)]