20587329

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1427}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 34157760

約数和(自身を除く): 13570431

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1427, 1603, 2061, 4281, 4809, 9989, 12843, 14427, 29967, 89901, 326783, 980349, 2287481, 2941047, 6862443, 20587329]

約数ペア:

[(1, 20587329), (3, 6862443), (7, 2941047), (9, 2287481), (21, 980349), (63, 326783), (229, 89901), (687, 29967), (1427, 14427), (1603, 12843), (2061, 9989), (4281, 4809)]