20481786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6733}}^1$

素因数の和:6767

約数の個数: 36

約数和(自身を含む): 48060558

約数和(自身を除く): 27578772

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6733, 13466, 20199, 40398, 60597, 87529, 121194, 175058, 262587, 525174, 787761, 1137877, 1575522, 2275754, 3413631, 6827262, 10240893, 20481786]

約数ペア:

[(1, 20481786), (2, 10240893), (3, 6827262), (6, 3413631), (9, 2275754), (13, 1575522), (18, 1137877), (26, 787761), (39, 525174), (78, 262587), (117, 175058), (169, 121194), (234, 87529), (338, 60597), (507, 40398), (1014, 20199), (1521, 13466), (3042, 6733)]