20640643198

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1\times {\mathrm{49393}}^1$

素因数の和:50992

約数の個数: 32

約数和(自身を含む): 37270736640

約数和(自身を除く): 16630093442

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1571, 3142, 10997, 21994, 29849, 49393, 59698, 98786, 208943, 345751, 417886, 691502, 938467, 1876934, 6569269, 13138538, 77596403, 155192806, 543174821, 1086349642, 1474331657, 2948663314, 10320321599, 20640643198]

約数ペア:

[(1, 20640643198), (2, 10320321599), (7, 2948663314), (14, 1474331657), (19, 1086349642), (38, 543174821), (133, 155192806), (266, 77596403), (1571, 13138538), (3142, 6569269), (10997, 1876934), (21994, 938467), (29849, 691502), (49393, 417886), (59698, 345751), (98786, 208943)]