20349221520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{48757}}^1$

素因数の和:48857

約数の個数: 160

約数和(自身を含む): 66167336448

約数和(自身を除く): 45818114928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 47, 48, 60, 74, 80, 94, 111, 120, 141, 148, 185, 188, 222, 235, 240, 282, 296, 370, 376, 444, 470, 555, 564, 592, 705, 740, 752, 888, 940, 1110, 1128, 1410, 1480, 1739, 1776, 1880, 2220, 2256, 2820, 2960, 3478, 3760, 4440, 5217, 5640, 6956, 8695, 8880, 10434, 11280, 13912, 17390, 20868, 26085, 27824, 34780, 41736, 48757, 52170, 69560, 83472, 97514, 104340, 139120, 146271, 195028, 208680, 243785, 292542, 390056, 417360, 487570, 585084, 731355, 780112, 975140, 1170168, 1462710, 1804009, 1950280, 2291579, 2340336, 2925420, 3608018, 3900560, 4583158, 5412027, 5850840, 6874737, 7216036, 9020045, 9166316, 10824054, 11457895, 11701680, 13749474, 14432072, 18040090, 18332632, 21648108, 22915790, 27060135, 27498948, 28864144, 34373685, 36080180, 36665264, 43296216, 45831580, 54120270, 54997896, 68747370, 72160360, 84788423, 86592432, 91663160, 108240540, 109995792, 137494740, 144320720, 169576846, 183326320, 216481080, 254365269, 274989480, 339153692, 423942115, 432962160, 508730538, 549978960, 678307384, 847884230, 1017461076, 1271826345, 1356614768, 1695768460, 2034922152, 2543652690, 3391536920, 4069844304, 5087305380, 6783073840, 10174610760, 20349221520]

約数ペア:

[(1, 20349221520), (2, 10174610760), (3, 6783073840), (4, 5087305380), (5, 4069844304), (6, 3391536920), (8, 2543652690), (10, 2034922152), (12, 1695768460), (15, 1356614768), (16, 1271826345), (20, 1017461076), (24, 847884230), (30, 678307384), (37, 549978960), (40, 508730538), (47, 432962160), (48, 423942115), (60, 339153692), (74, 274989480), (80, 254365269), (94, 216481080), (111, 183326320), (120, 169576846), (141, 144320720), (148, 137494740), (185, 109995792), (188, 108240540), (222, 91663160), (235, 86592432), (240, 84788423), (282, 72160360), (296, 68747370), (370, 54997896), (376, 54120270), (444, 45831580), (470, 43296216), (555, 36665264), (564, 36080180), (592, 34373685), (705, 28864144), (740, 27498948), (752, 27060135), (888, 22915790), (940, 21648108), (1110, 18332632), (1128, 18040090), (1410, 14432072), (1480, 13749474), (1739, 11701680), (1776, 11457895), (1880, 10824054), (2220, 9166316), (2256, 9020045), (2820, 7216036), (2960, 6874737), (3478, 5850840), (3760, 5412027), (4440, 4583158), (5217, 3900560), (5640, 3608018), (6956, 2925420), (8695, 2340336), (8880, 2291579), (10434, 1950280), (11280, 1804009), (13912, 1462710), (17390, 1170168), (20868, 975140), (26085, 780112), (27824, 731355), (34780, 585084), (41736, 487570), (48757, 417360), (52170, 390056), (69560, 292542), (83472, 243785), (97514, 208680), (104340, 195028), (139120, 146271)]