20347926538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1\times {\mathrm{4229}}^1$

素因数の和:5374

約数の個数: 32

約数和(自身を含む): 32421427200

約数和(自身を除く): 12073500662

約数列:

[1, 2, 19, 38, 127, 254, 997, 1994, 2413, 4229, 4826, 8458, 18943, 37886, 80351, 126619, 160702, 253238, 537083, 1074166, 2405761, 4216313, 4811522, 8432626, 10204577, 20409154, 80109947, 160219894, 535471751, 1070943502, 10173963269, 20347926538]

約数ペア:

[(1, 20347926538), (2, 10173963269), (19, 1070943502), (38, 535471751), (127, 160219894), (254, 80109947), (997, 20409154), (1994, 10204577), (2413, 8432626), (4229, 4811522), (4826, 4216313), (8458, 2405761), (18943, 1074166), (37886, 537083), (80351, 253238), (126619, 160702)]