20128836170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{4261}}^1$

素因数の和:4380

約数の個数: 96

約数和(自身を含む): 40726990080

約数和(自身を除く): 20598153910

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 47, 94, 95, 115, 190, 230, 235, 437, 470, 529, 874, 893, 1058, 1081, 1786, 2162, 2185, 2645, 4261, 4370, 4465, 5290, 5405, 8522, 8930, 10051, 10810, 20102, 20539, 21305, 24863, 41078, 42610, 49726, 50255, 80959, 98003, 100510, 102695, 124315, 161918, 196006, 200267, 205390, 248630, 400534, 404795, 472397, 490015, 809590, 944794, 980030, 1001335, 1862057, 2002670, 2254069, 2361985, 3724114, 3805073, 4508138, 4606141, 4723970, 7610146, 9212282, 9310285, 11270345, 18620570, 19025365, 22540690, 23030705, 38050730, 42827311, 46061410, 85654622, 87516679, 105941243, 175033358, 211882486, 214136555, 428273110, 437583395, 529706215, 875166790, 1059412430, 2012883617, 4025767234, 10064418085, 20128836170]

約数ペア:

[(1, 20128836170), (2, 10064418085), (5, 4025767234), (10, 2012883617), (19, 1059412430), (23, 875166790), (38, 529706215), (46, 437583395), (47, 428273110), (94, 214136555), (95, 211882486), (115, 175033358), (190, 105941243), (230, 87516679), (235, 85654622), (437, 46061410), (470, 42827311), (529, 38050730), (874, 23030705), (893, 22540690), (1058, 19025365), (1081, 18620570), (1786, 11270345), (2162, 9310285), (2185, 9212282), (2645, 7610146), (4261, 4723970), (4370, 4606141), (4465, 4508138), (5290, 3805073), (5405, 3724114), (8522, 2361985), (8930, 2254069), (10051, 2002670), (10810, 1862057), (20102, 1001335), (20539, 980030), (21305, 944794), (24863, 809590), (41078, 490015), (42610, 472397), (49726, 404795), (50255, 400534), (80959, 248630), (98003, 205390), (100510, 200267), (102695, 196006), (124315, 161918)]