20809974640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{58337}}^1$

素因数の和:58384

約数の個数: 160

約数和(自身を含む): 60764860800

約数和(自身を除く): 39954886160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 637, 686, 728, 784, 910, 980, 1040, 1274, 1372, 1456, 1715, 1820, 1960, 2548, 2744, 3185, 3430, 3640, 3920, 4459, 5096, 5488, 6370, 6860, 7280, 8918, 10192, 12740, 13720, 17836, 22295, 25480, 27440, 35672, 44590, 50960, 58337, 71344, 89180, 116674, 178360, 233348, 291685, 356720, 408359, 466696, 583370, 758381, 816718, 933392, 1166740, 1516762, 1633436, 2041795, 2333480, 2858513, 3033524, 3266872, 3791905, 4083590, 4666960, 5308667, 5717026, 6067048, 6533744, 7583810, 8167180, 10617334, 11434052, 12134096, 14292565, 15167620, 16334360, 20009591, 21234668, 22868104, 26543335, 28585130, 30335240, 32668720, 37160669, 40019182, 42469336, 45736208, 53086670, 57170260, 60670480, 74321338, 80038364, 84938672, 100047955, 106173340, 114340520, 148642676, 160076728, 185803345, 200095910, 212346680, 228681040, 260124683, 297285352, 320153456, 371606690, 400191820, 424693360, 520249366, 594570704, 743213380, 800383640, 1040498732, 1300623415, 1486426760, 1600767280, 2080997464, 2601246830, 2972853520, 4161994928, 5202493660, 10404987320, 20809974640]

約数ペア:

[(1, 20809974640), (2, 10404987320), (4, 5202493660), (5, 4161994928), (7, 2972853520), (8, 2601246830), (10, 2080997464), (13, 1600767280), (14, 1486426760), (16, 1300623415), (20, 1040498732), (26, 800383640), (28, 743213380), (35, 594570704), (40, 520249366), (49, 424693360), (52, 400191820), (56, 371606690), (65, 320153456), (70, 297285352), (80, 260124683), (91, 228681040), (98, 212346680), (104, 200095910), (112, 185803345), (130, 160076728), (140, 148642676), (182, 114340520), (196, 106173340), (208, 100047955), (245, 84938672), (260, 80038364), (280, 74321338), (343, 60670480), (364, 57170260), (392, 53086670), (455, 45736208), (490, 42469336), (520, 40019182), (560, 37160669), (637, 32668720), (686, 30335240), (728, 28585130), (784, 26543335), (910, 22868104), (980, 21234668), (1040, 20009591), (1274, 16334360), (1372, 15167620), (1456, 14292565), (1715, 12134096), (1820, 11434052), (1960, 10617334), (2548, 8167180), (2744, 7583810), (3185, 6533744), (3430, 6067048), (3640, 5717026), (3920, 5308667), (4459, 4666960), (5096, 4083590), (5488, 3791905), (6370, 3266872), (6860, 3033524), (7280, 2858513), (8918, 2333480), (10192, 2041795), (12740, 1633436), (13720, 1516762), (17836, 1166740), (22295, 933392), (25480, 816718), (27440, 758381), (35672, 583370), (44590, 466696), (50960, 408359), (58337, 356720), (71344, 291685), (89180, 233348), (116674, 178360)]