20218539275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3196607}}^1$

素因数の和:3196651

約数の個数: 24

約数和(自身を含む): 28539316224

約数和(自身を除く): 8320776949

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 3196607, 15983035, 35162677, 73521961, 79915175, 175813385, 367609805, 808741571, 879066925, 1838049025, 4043707855, 20218539275]

約数ペア:

[(1, 20218539275), (5, 4043707855), (11, 1838049025), (23, 879066925), (25, 808741571), (55, 367609805), (115, 175813385), (253, 79915175), (275, 73521961), (575, 35162677), (1265, 15983035), (6325, 3196607)]