20762198460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^2\times {\mathrm{947}}^1$

素因数の和:1660

約数の個数: 108

約数和(自身を含む): 63226334808

約数和(自身を除く): 42464136348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 947, 1047, 1396, 1745, 1894, 2094, 2841, 3141, 3490, 3788, 4188, 4735, 5235, 5682, 6282, 6980, 8523, 9470, 10470, 11364, 12564, 14205, 15705, 17046, 18940, 20940, 28410, 31410, 34092, 42615, 56820, 62820, 85230, 121801, 170460, 243602, 330503, 365403, 487204, 609005, 661006, 730806, 991509, 1096209, 1218010, 1322012, 1461612, 1652515, 1827015, 1983018, 2192418, 2436020, 2974527, 3305030, 3654030, 3966036, 4384836, 4957545, 5481045, 5949054, 6610060, 7308060, 9915090, 10962090, 11898108, 14872635, 19830180, 21924180, 29745270, 59490540, 115345547, 230691094, 346036641, 461382188, 576727735, 692073282, 1038109923, 1153455470, 1384146564, 1730183205, 2076219846, 2306910940, 3460366410, 4152439692, 5190549615, 6920732820, 10381099230, 20762198460]

約数ペア:

[(1, 20762198460), (2, 10381099230), (3, 6920732820), (4, 5190549615), (5, 4152439692), (6, 3460366410), (9, 2306910940), (10, 2076219846), (12, 1730183205), (15, 1384146564), (18, 1153455470), (20, 1038109923), (30, 692073282), (36, 576727735), (45, 461382188), (60, 346036641), (90, 230691094), (180, 115345547), (349, 59490540), (698, 29745270), (947, 21924180), (1047, 19830180), (1396, 14872635), (1745, 11898108), (1894, 10962090), (2094, 9915090), (2841, 7308060), (3141, 6610060), (3490, 5949054), (3788, 5481045), (4188, 4957545), (4735, 4384836), (5235, 3966036), (5682, 3654030), (6282, 3305030), (6980, 2974527), (8523, 2436020), (9470, 2192418), (10470, 1983018), (11364, 1827015), (12564, 1652515), (14205, 1461612), (15705, 1322012), (17046, 1218010), (18940, 1096209), (20940, 991509), (28410, 730806), (31410, 661006), (34092, 609005), (42615, 487204), (56820, 365403), (62820, 330503), (85230, 243602), (121801, 170460)]