20830004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 21976396

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 727, 754, 988, 1102, 1454, 1508, 2204, 2908, 7163, 9451, 13813, 14326, 18902, 21083, 27626, 28652, 37804, 42166, 55252, 84332, 179569, 274079, 359138, 400577, 548158, 718276, 801154, 1096316, 1602308, 5207501, 10415002, 20830004]

約数ペア:

[(1, 20830004), (2, 10415002), (4, 5207501), (13, 1602308), (19, 1096316), (26, 801154), (29, 718276), (38, 548158), (52, 400577), (58, 359138), (76, 274079), (116, 179569), (247, 84332), (377, 55252), (494, 42166), (551, 37804), (727, 28652), (754, 27626), (988, 21083), (1102, 18902), (1454, 14326), (1508, 13813), (2204, 9451), (2908, 7163)]