20472231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 31772160

約数和(自身を除く): 11299929

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 667, 787, 897, 1131, 2001, 2361, 8671, 10231, 18101, 22823, 26013, 30693, 54303, 68469, 235313, 296699, 524929, 705939, 890097, 1574787, 6824077, 20472231]

約数ペア:

[(1, 20472231), (3, 6824077), (13, 1574787), (23, 890097), (29, 705939), (39, 524929), (69, 296699), (87, 235313), (299, 68469), (377, 54303), (667, 30693), (787, 26013), (897, 22823), (1131, 18101), (2001, 10231), (2361, 8671)]