20123222070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1212973}}^1$

素因数の和:1213069

約数の個数: 64

約数和(自身を含む): 55893841920

約数和(自身を除く): 35770619850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 2370, 2765, 3318, 5530, 8295, 16590, 1212973, 2425946, 3638919, 6064865, 7277838, 8490811, 12129730, 16981622, 18194595, 25472433, 36389190, 42454055, 50944866, 84908110, 95824867, 127362165, 191649734, 254724330, 287474601, 479124335, 574949202, 670774069, 958248670, 1341548138, 1437373005, 2012322207, 2874746010, 3353870345, 4024644414, 6707740690, 10061611035, 20123222070]

約数ペア:

[(1, 20123222070), (2, 10061611035), (3, 6707740690), (5, 4024644414), (6, 3353870345), (7, 2874746010), (10, 2012322207), (14, 1437373005), (15, 1341548138), (21, 958248670), (30, 670774069), (35, 574949202), (42, 479124335), (70, 287474601), (79, 254724330), (105, 191649734), (158, 127362165), (210, 95824867), (237, 84908110), (395, 50944866), (474, 42454055), (553, 36389190), (790, 25472433), (1106, 18194595), (1185, 16981622), (1659, 12129730), (2370, 8490811), (2765, 7277838), (3318, 6064865), (5530, 3638919), (8295, 2425946), (16590, 1212973)]