20249229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 36584576

約数和(自身を除く): 16335347

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 273, 363, 429, 613, 847, 1001, 1573, 1839, 2541, 3003, 4291, 4719, 6743, 7969, 11011, 12873, 20229, 23907, 33033, 47201, 55783, 74173, 87659, 141603, 167349, 222519, 262977, 519211, 613613, 964249, 1557633, 1840839, 2892747, 6749743, 20249229]

約数ペア:

[(1, 20249229), (3, 6749743), (7, 2892747), (11, 1840839), (13, 1557633), (21, 964249), (33, 613613), (39, 519211), (77, 262977), (91, 222519), (121, 167349), (143, 141603), (231, 87659), (273, 74173), (363, 55783), (429, 47201), (613, 33033), (847, 23907), (1001, 20229), (1573, 12873), (1839, 11011), (2541, 7969), (3003, 6743), (4291, 4719)]