20243672080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1913}}^1$

素因数の和:2225

約数の個数: 160

約数和(自身を含む): 51674692608

約数和(自身を除く): 31431020528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 251, 272, 310, 340, 496, 502, 527, 620, 680, 1004, 1054, 1240, 1255, 1360, 1913, 2008, 2108, 2480, 2510, 2635, 3826, 4016, 4216, 4267, 5020, 5270, 7652, 7781, 8432, 8534, 9565, 10040, 10540, 15304, 15562, 17068, 19130, 20080, 21080, 21335, 30608, 31124, 32521, 34136, 38260, 38905, 42160, 42670, 59303, 62248, 65042, 68272, 76520, 77810, 85340, 118606, 124496, 130084, 132277, 153040, 155620, 162605, 170680, 237212, 260168, 264554, 296515, 311240, 325210, 341360, 474424, 480163, 520336, 529108, 593030, 622480, 650420, 661385, 948848, 960326, 1008151, 1058216, 1186060, 1300840, 1322770, 1920652, 2016302, 2116432, 2372120, 2400815, 2601680, 2645540, 3841304, 4032604, 4744240, 4801630, 5040755, 5291080, 7682608, 8065208, 8162771, 9603260, 10081510, 10582160, 14885053, 16130416, 16325542, 19206520, 20163020, 29770106, 32651084, 38413040, 40326040, 40813855, 59540212, 65302168, 74425265, 80652080, 81627710, 119080424, 130604336, 148850530, 163255420, 238160848, 253045901, 297701060, 326510840, 506091802, 595402120, 653021680, 1012183604, 1190804240, 1265229505, 2024367208, 2530459010, 4048734416, 5060918020, 10121836040, 20243672080]

約数ペア:

[(1, 20243672080), (2, 10121836040), (4, 5060918020), (5, 4048734416), (8, 2530459010), (10, 2024367208), (16, 1265229505), (17, 1190804240), (20, 1012183604), (31, 653021680), (34, 595402120), (40, 506091802), (62, 326510840), (68, 297701060), (80, 253045901), (85, 238160848), (124, 163255420), (136, 148850530), (155, 130604336), (170, 119080424), (248, 81627710), (251, 80652080), (272, 74425265), (310, 65302168), (340, 59540212), (496, 40813855), (502, 40326040), (527, 38413040), (620, 32651084), (680, 29770106), (1004, 20163020), (1054, 19206520), (1240, 16325542), (1255, 16130416), (1360, 14885053), (1913, 10582160), (2008, 10081510), (2108, 9603260), (2480, 8162771), (2510, 8065208), (2635, 7682608), (3826, 5291080), (4016, 5040755), (4216, 4801630), (4267, 4744240), (5020, 4032604), (5270, 3841304), (7652, 2645540), (7781, 2601680), (8432, 2400815), (8534, 2372120), (9565, 2116432), (10040, 2016302), (10540, 1920652), (15304, 1322770), (15562, 1300840), (17068, 1186060), (19130, 1058216), (20080, 1008151), (21080, 960326), (21335, 948848), (30608, 661385), (31124, 650420), (32521, 622480), (34136, 593030), (38260, 529108), (38905, 520336), (42160, 480163), (42670, 474424), (59303, 341360), (62248, 325210), (65042, 311240), (68272, 296515), (76520, 264554), (77810, 260168), (85340, 237212), (118606, 170680), (124496, 162605), (130084, 155620), (132277, 153040)]