20447240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46471}}^1$

素因数の和:46493

約数の個数: 32

約数和(自身を含む): 50189760

約数和(自身を除く): 29742520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46471, 92942, 185884, 232355, 371768, 464710, 511181, 929420, 1022362, 1858840, 2044724, 2555905, 4089448, 5111810, 10223620, 20447240]

約数ペア:

[(1, 20447240), (2, 10223620), (4, 5111810), (5, 4089448), (8, 2555905), (10, 2044724), (11, 1858840), (20, 1022362), (22, 929420), (40, 511181), (44, 464710), (55, 371768), (88, 232355), (110, 185884), (220, 92942), (440, 46471)]