20745853362

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{543911}}^1$

素因数の和:544095

約数の個数: 48

約数和(自身を含む): 48704056128

約数和(自身を除く): 27958202766

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 163, 234, 326, 489, 978, 1467, 2119, 2934, 4238, 6357, 12714, 19071, 38142, 543911, 1087822, 1631733, 3263466, 4895199, 7070843, 9790398, 14141686, 21212529, 42425058, 63637587, 88657493, 127275174, 177314986, 265972479, 531944958, 797917437, 1152547409, 1595834874, 2305094818, 3457642227, 6915284454, 10372926681, 20745853362]

約数ペア:

[(1, 20745853362), (2, 10372926681), (3, 6915284454), (6, 3457642227), (9, 2305094818), (13, 1595834874), (18, 1152547409), (26, 797917437), (39, 531944958), (78, 265972479), (117, 177314986), (163, 127275174), (234, 88657493), (326, 63637587), (489, 42425058), (978, 21212529), (1467, 14141686), (2119, 9790398), (2934, 7070843), (4238, 4895199), (6357, 3263466), (12714, 1631733), (19071, 1087822), (38142, 543911)]