20847310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20624690

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2399, 4345, 4798, 8690, 11995, 23990, 26389, 52778, 131945, 189521, 263890, 379042, 947605, 1895210, 2084731, 4169462, 10423655, 20847310]

約数ペア:

[(1, 20847310), (2, 10423655), (5, 4169462), (10, 2084731), (11, 1895210), (22, 947605), (55, 379042), (79, 263890), (110, 189521), (158, 131945), (395, 52778), (790, 26389), (869, 23990), (1738, 11995), (2399, 8690), (4345, 4798)]