20216918878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{2699}}^1$

素因数の和:3049

約数の個数: 64

約数和(自身を含む): 35108640000

約数和(自身を除く): 14891721122

約数列:

[1, 2, 13, 19, 26, 38, 59, 118, 247, 257, 494, 514, 767, 1121, 1534, 2242, 2699, 3341, 4883, 5398, 6682, 9766, 14573, 15163, 29146, 30326, 35087, 51281, 63479, 70174, 102562, 126958, 159241, 197119, 288097, 318482, 394238, 576194, 666653, 693643, 1333306, 1387286, 2070133, 3025579, 3745261, 4140266, 6051158, 7490522, 9017359, 13179217, 18034718, 26358434, 39332527, 40924937, 78665054, 81849874, 171329821, 342659642, 532024181, 777573803, 1064048362, 1555147606, 10108459439, 20216918878]

約数ペア:

[(1, 20216918878), (2, 10108459439), (13, 1555147606), (19, 1064048362), (26, 777573803), (38, 532024181), (59, 342659642), (118, 171329821), (247, 81849874), (257, 78665054), (494, 40924937), (514, 39332527), (767, 26358434), (1121, 18034718), (1534, 13179217), (2242, 9017359), (2699, 7490522), (3341, 6051158), (4883, 4140266), (5398, 3745261), (6682, 3025579), (9766, 2070133), (14573, 1387286), (15163, 1333306), (29146, 693643), (30326, 666653), (35087, 576194), (51281, 394238), (63479, 318482), (70174, 288097), (102562, 197119), (126958, 159241)]