20347788370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37963}}^1$

素因数の和:38040

約数の個数: 128

約数和(自身を含む): 48982671360

約数和(自身を除く): 28634882990

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 31, 35, 38, 62, 65, 70, 91, 95, 130, 133, 155, 182, 190, 217, 247, 266, 310, 403, 434, 455, 494, 589, 665, 806, 910, 1085, 1178, 1235, 1330, 1729, 2015, 2170, 2470, 2821, 2945, 3458, 4030, 4123, 5642, 5890, 7657, 8246, 8645, 14105, 15314, 17290, 20615, 28210, 37963, 38285, 41230, 53599, 75926, 76570, 107198, 189815, 265741, 267995, 379630, 493519, 531482, 535990, 721297, 987038, 1176853, 1328705, 1442594, 2353706, 2467595, 2657410, 3454633, 3606485, 4935190, 5049079, 5884265, 6909266, 7212970, 8237971, 9376861, 10098158, 11768530, 15299089, 16475942, 17273165, 18753722, 22360207, 25245395, 30598178, 34546330, 41189855, 44720414, 46884305, 50490790, 65638027, 76495445, 82379710, 93768610, 107093623, 111801035, 131276054, 152990890, 156521449, 214187246, 223602070, 290682691, 313042898, 328190135, 535468115, 581365382, 656380270, 782607245, 1070936230, 1453413455, 1565214490, 2034778837, 2906826910, 4069557674, 10173894185, 20347788370]

約数ペア:

[(1, 20347788370), (2, 10173894185), (5, 4069557674), (7, 2906826910), (10, 2034778837), (13, 1565214490), (14, 1453413455), (19, 1070936230), (26, 782607245), (31, 656380270), (35, 581365382), (38, 535468115), (62, 328190135), (65, 313042898), (70, 290682691), (91, 223602070), (95, 214187246), (130, 156521449), (133, 152990890), (155, 131276054), (182, 111801035), (190, 107093623), (217, 93768610), (247, 82379710), (266, 76495445), (310, 65638027), (403, 50490790), (434, 46884305), (455, 44720414), (494, 41189855), (589, 34546330), (665, 30598178), (806, 25245395), (910, 22360207), (1085, 18753722), (1178, 17273165), (1235, 16475942), (1330, 15299089), (1729, 11768530), (2015, 10098158), (2170, 9376861), (2470, 8237971), (2821, 7212970), (2945, 6909266), (3458, 5884265), (4030, 5049079), (4123, 4935190), (5642, 3606485), (5890, 3454633), (7657, 2657410), (8246, 2467595), (8645, 2353706), (14105, 1442594), (15314, 1328705), (17290, 1176853), (20615, 987038), (28210, 721297), (37963, 535990), (38285, 531482), (41230, 493519), (53599, 379630), (75926, 267995), (76570, 265741), (107198, 189815)]