20837955880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{14561}}^1$

素因数の和:14867

約数の個数: 128

約数和(自身を含む): 56617056000

約数和(自身を除く): 35779100120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 269, 280, 380, 532, 538, 665, 760, 1064, 1076, 1330, 1345, 1883, 2152, 2660, 2690, 3766, 5111, 5320, 5380, 7532, 9415, 10222, 10760, 14561, 15064, 18830, 20444, 25555, 29122, 35777, 37660, 40888, 51110, 58244, 71554, 72805, 75320, 101927, 102220, 116488, 143108, 145610, 178885, 203854, 204440, 276659, 286216, 291220, 357770, 407708, 509635, 553318, 582440, 715540, 815416, 1019270, 1106636, 1383295, 1431080, 1936613, 2038540, 2213272, 2766590, 3873226, 3916909, 4077080, 5533180, 7746452, 7833818, 9683065, 11066360, 15492904, 15667636, 19366130, 19584545, 27418363, 31335272, 38732260, 39169090, 54836726, 74421271, 77464520, 78338180, 109673452, 137091815, 148842542, 156676360, 219346904, 274183630, 297685084, 372106355, 520948897, 548367260, 595370168, 744212710, 1041897794, 1096734520, 1488425420, 2083795588, 2604744485, 2976850840, 4167591176, 5209488970, 10418977940, 20837955880]

約数ペア:

[(1, 20837955880), (2, 10418977940), (4, 5209488970), (5, 4167591176), (7, 2976850840), (8, 2604744485), (10, 2083795588), (14, 1488425420), (19, 1096734520), (20, 1041897794), (28, 744212710), (35, 595370168), (38, 548367260), (40, 520948897), (56, 372106355), (70, 297685084), (76, 274183630), (95, 219346904), (133, 156676360), (140, 148842542), (152, 137091815), (190, 109673452), (266, 78338180), (269, 77464520), (280, 74421271), (380, 54836726), (532, 39169090), (538, 38732260), (665, 31335272), (760, 27418363), (1064, 19584545), (1076, 19366130), (1330, 15667636), (1345, 15492904), (1883, 11066360), (2152, 9683065), (2660, 7833818), (2690, 7746452), (3766, 5533180), (5111, 4077080), (5320, 3916909), (5380, 3873226), (7532, 2766590), (9415, 2213272), (10222, 2038540), (10760, 1936613), (14561, 1431080), (15064, 1383295), (18830, 1106636), (20444, 1019270), (25555, 815416), (29122, 715540), (35777, 582440), (37660, 553318), (40888, 509635), (51110, 407708), (58244, 357770), (71554, 291220), (72805, 286216), (75320, 276659), (101927, 204440), (102220, 203854), (116488, 178885), (143108, 145610)]