20279178

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 46374120

約数和(自身を除く): 26094942

約数列:

[1, 2, 3, 6, 9, 18, 29, 53, 58, 87, 106, 159, 174, 261, 318, 477, 522, 733, 954, 1466, 1537, 2199, 3074, 4398, 4611, 6597, 9222, 13194, 13833, 21257, 27666, 38849, 42514, 63771, 77698, 116547, 127542, 191313, 233094, 349641, 382626, 699282, 1126621, 2253242, 3379863, 6759726, 10139589, 20279178]

約数ペア:

[(1, 20279178), (2, 10139589), (3, 6759726), (6, 3379863), (9, 2253242), (18, 1126621), (29, 699282), (53, 382626), (58, 349641), (87, 233094), (106, 191313), (159, 127542), (174, 116547), (261, 77698), (318, 63771), (477, 42514), (522, 38849), (733, 27666), (954, 21257), (1466, 13833), (1537, 13194), (2199, 9222), (3074, 6597), (4398, 4611)]