20715772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 45706752

約数和(自身を除く): 24990980

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 653, 721, 1133, 1306, 1442, 2266, 2612, 2884, 4532, 4571, 7183, 7931, 9142, 14366, 15862, 18284, 28732, 31724, 50281, 67259, 100562, 134518, 201124, 269036, 470813, 739849, 941626, 1479698, 1883252, 2959396, 5178943, 10357886, 20715772]

約数ペア:

[(1, 20715772), (2, 10357886), (4, 5178943), (7, 2959396), (11, 1883252), (14, 1479698), (22, 941626), (28, 739849), (44, 470813), (77, 269036), (103, 201124), (154, 134518), (206, 100562), (308, 67259), (412, 50281), (653, 31724), (721, 28732), (1133, 18284), (1306, 15862), (1442, 14366), (2266, 9142), (2612, 7931), (2884, 7183), (4532, 4571)]