20403780810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1861

約数の個数: 192

約数和(自身を含む): 58350015360

約数和(自身を除く): 37946234550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 139, 147, 183, 210, 245, 278, 294, 305, 366, 417, 427, 490, 610, 695, 735, 834, 854, 915, 973, 1281, 1390, 1470, 1637, 1830, 1946, 2085, 2135, 2562, 2919, 2989, 3274, 4170, 4270, 4865, 4911, 5838, 5978, 6405, 6811, 8185, 8479, 8967, 9730, 9822, 11459, 12810, 13622, 14595, 14945, 16370, 16958, 17934, 20433, 22918, 24555, 25437, 29190, 29890, 34055, 34377, 40866, 42395, 44835, 49110, 50874, 57295, 59353, 68110, 68754, 80213, 84790, 89670, 99857, 102165, 114590, 118706, 127185, 160426, 171885, 178059, 199714, 204330, 227543, 240639, 254370, 296765, 299571, 343770, 356118, 401065, 415471, 455086, 481278, 499285, 593530, 599142, 682629, 698999, 802130, 830942, 890295, 998570, 1137715, 1203195, 1246413, 1365258, 1397998, 1497855, 1592801, 1780590, 2077355, 2096997, 2275430, 2406390, 2492826, 2995710, 3185602, 3413145, 3494995, 4154710, 4193994, 4778403, 4892993, 6232065, 6826290, 6989990, 7964005, 9556806, 9785986, 10484985, 11149607, 12464130, 13880123, 14678979, 15928010, 20969970, 22299214, 23892015, 24464965, 27760246, 29357958, 33448821, 41640369, 47784030, 48929930, 55748035, 66897642, 69400615, 73394895, 83280738, 97160861, 111496070, 138801230, 146789790, 167244105, 194321722, 208201845, 291482583, 334488210, 416403690, 485804305, 582965166, 680126027, 971608610, 1360252054, 1457412915, 2040378081, 2914825830, 3400630135, 4080756162, 6801260270, 10201890405, 20403780810]

約数ペア:

[(1, 20403780810), (2, 10201890405), (3, 6801260270), (5, 4080756162), (6, 3400630135), (7, 2914825830), (10, 2040378081), (14, 1457412915), (15, 1360252054), (21, 971608610), (30, 680126027), (35, 582965166), (42, 485804305), (49, 416403690), (61, 334488210), (70, 291482583), (98, 208201845), (105, 194321722), (122, 167244105), (139, 146789790), (147, 138801230), (183, 111496070), (210, 97160861), (245, 83280738), (278, 73394895), (294, 69400615), (305, 66897642), (366, 55748035), (417, 48929930), (427, 47784030), (490, 41640369), (610, 33448821), (695, 29357958), (735, 27760246), (834, 24464965), (854, 23892015), (915, 22299214), (973, 20969970), (1281, 15928010), (1390, 14678979), (1470, 13880123), (1637, 12464130), (1830, 11149607), (1946, 10484985), (2085, 9785986), (2135, 9556806), (2562, 7964005), (2919, 6989990), (2989, 6826290), (3274, 6232065), (4170, 4892993), (4270, 4778403), (4865, 4193994), (4911, 4154710), (5838, 3494995), (5978, 3413145), (6405, 3185602), (6811, 2995710), (8185, 2492826), (8479, 2406390), (8967, 2275430), (9730, 2096997), (9822, 2077355), (11459, 1780590), (12810, 1592801), (13622, 1497855), (14595, 1397998), (14945, 1365258), (16370, 1246413), (16958, 1203195), (17934, 1137715), (20433, 998570), (22918, 890295), (24555, 830942), (25437, 802130), (29190, 698999), (29890, 682629), (34055, 599142), (34377, 593530), (40866, 499285), (42395, 481278), (44835, 455086), (49110, 415471), (50874, 401065), (57295, 356118), (59353, 343770), (68110, 299571), (68754, 296765), (80213, 254370), (84790, 240639), (89670, 227543), (99857, 204330), (102165, 199714), (114590, 178059), (118706, 171885), (127185, 160426)]