20178044589

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 29011530240

約数和(自身を除く): 8833485651

約数列:

[1, 3, 29, 41, 87, 123, 137, 157, 263, 411, 471, 789, 1189, 3567, 3973, 4553, 5617, 6437, 7627, 10783, 11919, 13659, 16851, 19311, 21509, 22881, 32349, 36031, 41291, 64527, 108093, 123873, 162893, 186673, 312707, 488679, 560019, 623761, 881869, 938121, 1044899, 1197439, 1477271, 1692931, 1871283, 2645607, 3134697, 3592317, 4431813, 5078793, 5656867, 16970601, 25574201, 42840859, 49094999, 76722603, 128522577, 147284997, 164049143, 231931547, 492147429, 695794641, 6726014863, 20178044589]

約数ペア:

[(1, 20178044589), (3, 6726014863), (29, 695794641), (41, 492147429), (87, 231931547), (123, 164049143), (137, 147284997), (157, 128522577), (263, 76722603), (411, 49094999), (471, 42840859), (789, 25574201), (1189, 16970601), (3567, 5656867), (3973, 5078793), (4553, 4431813), (5617, 3592317), (6437, 3134697), (7627, 2645607), (10783, 1871283), (11919, 1692931), (13659, 1477271), (16851, 1197439), (19311, 1044899), (21509, 938121), (22881, 881869), (32349, 623761), (36031, 560019), (41291, 488679), (64527, 312707), (108093, 186673), (123873, 162893)]