20125504980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2017}}^1\times {\mathrm{7919}}^1$

素因数の和:9958

約数の個数: 144

約数和(自身を含む): 69811822080

約数和(自身を除く): 49686317100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2017, 4034, 6051, 7919, 8068, 10085, 12102, 14119, 15838, 18153, 20170, 23757, 24204, 28238, 30255, 31676, 36306, 39595, 40340, 42357, 47514, 55433, 56476, 60510, 70595, 71271, 72612, 79190, 84714, 90765, 95028, 110866, 118785, 121020, 127071, 141190, 142542, 158380, 166299, 169428, 181530, 211785, 221732, 237570, 254142, 277165, 282380, 285084, 332598, 356355, 363060, 423570, 475140, 498897, 508284, 554330, 635355, 665196, 712710, 831495, 847140, 997794, 1108660, 1270710, 1425420, 1662990, 1995588, 2494485, 2541420, 3325980, 4988970, 9977940, 15972623, 31945246, 47917869, 63890492, 79863115, 95835738, 111808361, 143753607, 159726230, 191671476, 223616722, 239589345, 287507214, 319452460, 335425083, 447233444, 479178690, 559041805, 575014428, 670850166, 718768035, 958357380, 1006275249, 1118083610, 1341700332, 1437536070, 1677125415, 2012550498, 2236167220, 2875072140, 3354250830, 4025100996, 5031376245, 6708501660, 10062752490, 20125504980]

約数ペア:

[(1, 20125504980), (2, 10062752490), (3, 6708501660), (4, 5031376245), (5, 4025100996), (6, 3354250830), (7, 2875072140), (9, 2236167220), (10, 2012550498), (12, 1677125415), (14, 1437536070), (15, 1341700332), (18, 1118083610), (20, 1006275249), (21, 958357380), (28, 718768035), (30, 670850166), (35, 575014428), (36, 559041805), (42, 479178690), (45, 447233444), (60, 335425083), (63, 319452460), (70, 287507214), (84, 239589345), (90, 223616722), (105, 191671476), (126, 159726230), (140, 143753607), (180, 111808361), (210, 95835738), (252, 79863115), (315, 63890492), (420, 47917869), (630, 31945246), (1260, 15972623), (2017, 9977940), (4034, 4988970), (6051, 3325980), (7919, 2541420), (8068, 2494485), (10085, 1995588), (12102, 1662990), (14119, 1425420), (15838, 1270710), (18153, 1108660), (20170, 997794), (23757, 847140), (24204, 831495), (28238, 712710), (30255, 665196), (31676, 635355), (36306, 554330), (39595, 508284), (40340, 498897), (42357, 475140), (47514, 423570), (55433, 363060), (56476, 356355), (60510, 332598), (70595, 285084), (71271, 282380), (72612, 277165), (79190, 254142), (84714, 237570), (90765, 221732), (95028, 211785), (110866, 181530), (118785, 169428), (121020, 166299), (127071, 158380), (141190, 142542)]