20104351680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2991719}}^1$

素因数の和:2991746

約数の個数: 112

約数和(自身を含む): 72950100480

約数和(自身を除く): 52845748800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 2991719, 5983438, 8975157, 11966876, 14958595, 17950314, 20942033, 23933752, 29917190, 35900628, 41884066, 44875785, 47867504, 59834380, 62826099, 71801256, 83768132, 89751570, 95735008, 104710165, 119668760, 125652198, 143602512, 167536264, 179503140, 191470016, 209420330, 239337520, 251304396, 287205024, 314130495, 335072528, 359006280, 418840660, 478675040, 502608792, 574410048, 628260990, 670145056, 718012560, 837681320, 957350080, 1005217584, 1256521980, 1340290112, 1436025120, 1675362640, 2010435168, 2513043960, 2872050240, 3350725280, 4020870336, 5026087920, 6701450560, 10052175840, 20104351680]

約数ペア:

[(1, 20104351680), (2, 10052175840), (3, 6701450560), (4, 5026087920), (5, 4020870336), (6, 3350725280), (7, 2872050240), (8, 2513043960), (10, 2010435168), (12, 1675362640), (14, 1436025120), (15, 1340290112), (16, 1256521980), (20, 1005217584), (21, 957350080), (24, 837681320), (28, 718012560), (30, 670145056), (32, 628260990), (35, 574410048), (40, 502608792), (42, 478675040), (48, 418840660), (56, 359006280), (60, 335072528), (64, 314130495), (70, 287205024), (80, 251304396), (84, 239337520), (96, 209420330), (105, 191470016), (112, 179503140), (120, 167536264), (140, 143602512), (160, 125652198), (168, 119668760), (192, 104710165), (210, 95735008), (224, 89751570), (240, 83768132), (280, 71801256), (320, 62826099), (336, 59834380), (420, 47867504), (448, 44875785), (480, 41884066), (560, 35900628), (672, 29917190), (840, 23933752), (960, 20942033), (1120, 17950314), (1344, 14958595), (1680, 11966876), (2240, 8975157), (3360, 5983438), (6720, 2991719)]