20185800720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{7457}}^1\times {\mathrm{11279}}^1$

素因数の和:18752

約数の個数: 80

約数和(自身を含む): 62589922560

約数和(自身を除く): 42404121840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 7457, 11279, 14914, 22371, 22558, 29828, 33837, 37285, 44742, 45116, 56395, 59656, 67674, 74570, 89484, 90232, 111855, 112790, 119312, 135348, 149140, 169185, 178968, 180464, 223710, 225580, 270696, 298280, 338370, 357936, 447420, 451160, 541392, 596560, 676740, 894840, 902320, 1353480, 1789680, 2706960, 84107503, 168215006, 252322509, 336430012, 420537515, 504645018, 672860024, 841075030, 1009290036, 1261612545, 1345720048, 1682150060, 2018580072, 2523225090, 3364300120, 4037160144, 5046450180, 6728600240, 10092900360, 20185800720]

約数ペア:

[(1, 20185800720), (2, 10092900360), (3, 6728600240), (4, 5046450180), (5, 4037160144), (6, 3364300120), (8, 2523225090), (10, 2018580072), (12, 1682150060), (15, 1345720048), (16, 1261612545), (20, 1009290036), (24, 841075030), (30, 672860024), (40, 504645018), (48, 420537515), (60, 336430012), (80, 252322509), (120, 168215006), (240, 84107503), (7457, 2706960), (11279, 1789680), (14914, 1353480), (22371, 902320), (22558, 894840), (29828, 676740), (33837, 596560), (37285, 541392), (44742, 451160), (45116, 447420), (56395, 357936), (59656, 338370), (67674, 298280), (74570, 270696), (89484, 225580), (90232, 223710), (111855, 180464), (112790, 178968), (119312, 169185), (135348, 149140)]