20549412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2353

約数の個数: 72

約数和(自身を含む): 58909760

約数和(自身を除く): 38360348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2311, 2964, 4446, 4622, 6933, 8892, 9244, 13866, 20799, 27732, 30043, 41598, 43909, 60086, 83196, 87818, 90129, 120172, 131727, 175636, 180258, 263454, 270387, 360516, 395181, 526908, 540774, 570817, 790362, 1081548, 1141634, 1580724, 1712451, 2283268, 3424902, 5137353, 6849804, 10274706, 20549412]

約数ペア:

[(1, 20549412), (2, 10274706), (3, 6849804), (4, 5137353), (6, 3424902), (9, 2283268), (12, 1712451), (13, 1580724), (18, 1141634), (19, 1081548), (26, 790362), (36, 570817), (38, 540774), (39, 526908), (52, 395181), (57, 360516), (76, 270387), (78, 263454), (114, 180258), (117, 175636), (156, 131727), (171, 120172), (228, 90129), (234, 87818), (247, 83196), (342, 60086), (468, 43909), (494, 41598), (684, 30043), (741, 27732), (988, 20799), (1482, 13866), (2223, 9244), (2311, 8892), (2964, 6933), (4446, 4622)]