20346814145

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^2\times {\mathrm{271}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 30245823360

約数和(自身を除く): 9899009215

約数列:

[1, 5, 7, 19, 35, 49, 95, 127, 133, 245, 271, 635, 665, 889, 931, 1355, 1897, 2413, 4445, 4655, 5149, 6223, 9485, 12065, 13279, 16129, 16891, 25745, 31115, 34417, 36043, 66395, 80645, 84455, 112903, 118237, 172085, 180215, 240919, 252301, 306451, 564515, 591185, 653923, 790321, 1204595, 1261505, 1532255, 1686433, 2145157, 3269615, 3951605, 4370959, 4577461, 8432165, 10725785, 15016099, 21854795, 22887305, 30596713, 32042227, 75080495, 83048221, 152983565, 160211135, 214176991, 415241105, 581337547, 1070884955, 2906687735, 4069362829, 20346814145]

約数ペア:

[(1, 20346814145), (5, 4069362829), (7, 2906687735), (19, 1070884955), (35, 581337547), (49, 415241105), (95, 214176991), (127, 160211135), (133, 152983565), (245, 83048221), (271, 75080495), (635, 32042227), (665, 30596713), (889, 22887305), (931, 21854795), (1355, 15016099), (1897, 10725785), (2413, 8432165), (4445, 4577461), (4655, 4370959), (5149, 3951605), (6223, 3269615), (9485, 2145157), (12065, 1686433), (13279, 1532255), (16129, 1261505), (16891, 1204595), (25745, 790321), (31115, 653923), (34417, 591185), (36043, 564515), (66395, 306451), (80645, 252301), (84455, 240919), (112903, 180215), (118237, 172085)]