20595720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2909}}^1$

素因数の和:2982

約数の個数: 64

約数和(自身を含む): 62856000

約数和(自身を除く): 42260280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2909, 3540, 5818, 7080, 8727, 11636, 14545, 17454, 23272, 29090, 34908, 43635, 58180, 69816, 87270, 116360, 171631, 174540, 343262, 349080, 514893, 686524, 858155, 1029786, 1373048, 1716310, 2059572, 2574465, 3432620, 4119144, 5148930, 6865240, 10297860, 20595720]

約数ペア:

[(1, 20595720), (2, 10297860), (3, 6865240), (4, 5148930), (5, 4119144), (6, 3432620), (8, 2574465), (10, 2059572), (12, 1716310), (15, 1373048), (20, 1029786), (24, 858155), (30, 686524), (40, 514893), (59, 349080), (60, 343262), (118, 174540), (120, 171631), (177, 116360), (236, 87270), (295, 69816), (354, 58180), (472, 43635), (590, 34908), (708, 29090), (885, 23272), (1180, 17454), (1416, 14545), (1770, 11636), (2360, 8727), (2909, 7080), (3540, 5818)]