20075679

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 32030856

約数和(自身を除く): 11955177

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 197, 201, 507, 591, 603, 871, 1521, 1773, 2561, 2613, 7683, 7839, 11323, 13199, 23049, 33293, 33969, 39597, 99879, 101907, 118791, 171587, 299637, 514761, 1544283, 2230631, 6691893, 20075679]

約数ペア:

[(1, 20075679), (3, 6691893), (9, 2230631), (13, 1544283), (39, 514761), (67, 299637), (117, 171587), (169, 118791), (197, 101907), (201, 99879), (507, 39597), (591, 33969), (603, 33293), (871, 23049), (1521, 13199), (1773, 11323), (2561, 7839), (2613, 7683)]