20883979438

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{29}}^2\times {\mathrm{479}}^1$

素因数の和:599

約数の個数: 108

約数和(自身を含む): 39534899040

約数和(自身を除く): 18650919602

約数列:

[1, 2, 7, 14, 23, 29, 46, 49, 58, 98, 161, 203, 322, 406, 479, 529, 667, 841, 958, 1058, 1127, 1334, 1421, 1682, 2254, 2842, 3353, 3703, 4669, 5887, 6706, 7406, 9338, 11017, 11774, 13891, 15341, 19343, 22034, 23471, 25921, 27782, 30682, 32683, 38686, 41209, 46942, 51842, 65366, 77119, 82418, 97237, 107387, 135401, 154238, 194474, 214774, 253391, 270802, 319493, 402839, 444889, 506782, 539833, 638986, 680659, 751709, 805678, 889778, 947807, 1079666, 1361318, 1503418, 1773737, 1895614, 2236451, 2819873, 3114223, 3547474, 4472902, 5639746, 6228446, 7348339, 9265297, 12416159, 14696678, 15655157, 18530594, 19739111, 21799561, 24832318, 31310314, 39478222, 43599122, 51438373, 64857079, 102876746, 129714158, 213101831, 360068611, 426203662, 453999553, 720137222, 907999106, 1491712817, 2983425634, 10441989719, 20883979438]

約数ペア:

[(1, 20883979438), (2, 10441989719), (7, 2983425634), (14, 1491712817), (23, 907999106), (29, 720137222), (46, 453999553), (49, 426203662), (58, 360068611), (98, 213101831), (161, 129714158), (203, 102876746), (322, 64857079), (406, 51438373), (479, 43599122), (529, 39478222), (667, 31310314), (841, 24832318), (958, 21799561), (1058, 19739111), (1127, 18530594), (1334, 15655157), (1421, 14696678), (1682, 12416159), (2254, 9265297), (2842, 7348339), (3353, 6228446), (3703, 5639746), (4669, 4472902), (5887, 3547474), (6706, 3114223), (7406, 2819873), (9338, 2236451), (11017, 1895614), (11774, 1773737), (13891, 1503418), (15341, 1361318), (19343, 1079666), (22034, 947807), (23471, 889778), (25921, 805678), (27782, 751709), (30682, 680659), (32683, 638986), (38686, 539833), (41209, 506782), (46942, 444889), (51842, 402839), (65366, 319493), (77119, 270802), (82418, 253391), (97237, 214774), (107387, 194474), (135401, 154238)]