20163340785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{2909}}^1$

素因数の和:3438

約数の個数: 64

約数和(自身を含む): 37170524160

約数和(自身を除く): 17007183375

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 263, 753, 789, 1255, 1315, 1757, 1841, 2909, 3765, 3945, 5271, 5523, 8727, 8785, 9205, 14545, 20363, 26355, 27615, 43635, 61089, 66013, 101815, 198039, 305445, 330065, 462091, 730159, 765067, 990195, 1386273, 2190477, 2295201, 2310455, 3650795, 3825335, 5111113, 5355469, 6931365, 10952385, 11476005, 15333339, 16066407, 25555565, 26777345, 76666695, 80332035, 192031817, 576095451, 960159085, 1344222719, 2880477255, 4032668157, 6721113595, 20163340785]

約数ペア:

[(1, 20163340785), (3, 6721113595), (5, 4032668157), (7, 2880477255), (15, 1344222719), (21, 960159085), (35, 576095451), (105, 192031817), (251, 80332035), (263, 76666695), (753, 26777345), (789, 25555565), (1255, 16066407), (1315, 15333339), (1757, 11476005), (1841, 10952385), (2909, 6931365), (3765, 5355469), (3945, 5111113), (5271, 3825335), (5523, 3650795), (8727, 2310455), (8785, 2295201), (9205, 2190477), (14545, 1386273), (20363, 990195), (26355, 765067), (27615, 730159), (43635, 462091), (61089, 330065), (66013, 305445), (101815, 198039)]