20552290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 40569984

約数和(自身を除く): 20017694

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 727, 1285, 1454, 2570, 2827, 3635, 5654, 7270, 7997, 14135, 15994, 28270, 39985, 79970, 186839, 373678, 934195, 1868390, 2055229, 4110458, 10276145, 20552290]

約数ペア:

[(1, 20552290), (2, 10276145), (5, 4110458), (10, 2055229), (11, 1868390), (22, 934195), (55, 373678), (110, 186839), (257, 79970), (514, 39985), (727, 28270), (1285, 15994), (1454, 14135), (2570, 7997), (2827, 7270), (3635, 5654)]