2020081.00000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 148127424

約数和(自身を除く): 100674864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1213, 1304, 1630, 1956, 2426, 2445, 2608, 3260, 3639, 3912, 4852, 4890, 6065, 6520, 7278, 7824, 9704, 9780, 12130, 13040, 14556, 18195, 19408, 19560, 24260, 29112, 36390, 39120, 48520, 58224, 72780, 97040, 145560, 197719, 291120, 395438, 593157, 790876, 988595, 1186314, 1581752, 1977190, 2372628, 2965785, 3163504, 3954380, 4745256, 5931570, 7908760, 9490512, 11863140, 15817520, 23726280, 47452560]

約数ペア:

[(1, 47452560), (2, 23726280), (3, 15817520), (4, 11863140), (5, 9490512), (6, 7908760), (8, 5931570), (10, 4745256), (12, 3954380), (15, 3163504), (16, 2965785), (20, 2372628), (24, 1977190), (30, 1581752), (40, 1186314), (48, 988595), (60, 790876), (80, 593157), (120, 395438), (163, 291120), (240, 197719), (326, 145560), (489, 97040), (652, 72780), (815, 58224), (978, 48520), (1213, 39120), (1304, 36390), (1630, 29112), (1956, 24260), (2426, 19560), (2445, 19408), (2608, 18195), (3260, 14556), (3639, 13040), (3912, 12130), (4852, 9780), (4890, 9704), (6065, 7824), (6520, 7278)]