20954725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 29587392

約数和(自身を除く): 8632667

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3313, 6325, 16565, 36443, 76199, 82825, 182215, 380995, 838189, 911075, 1904975, 4190945, 20954725]

約数ペア:

[(1, 20954725), (5, 4190945), (11, 1904975), (23, 911075), (25, 838189), (55, 380995), (115, 182215), (253, 82825), (275, 76199), (575, 36443), (1265, 16565), (3313, 6325)]