20605884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5743}}^1$

素因数の和:5786

約数の個数: 48

約数和(自身を含む): 54039552

約数和(自身を除く): 33433668

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5743, 11486, 17229, 22972, 34458, 68916, 74659, 132089, 149318, 223977, 264178, 298636, 396267, 447954, 528356, 792534, 895908, 1585068, 1717157, 3434314, 5151471, 6868628, 10302942, 20605884]

約数ペア:

[(1, 20605884), (2, 10302942), (3, 6868628), (4, 5151471), (6, 3434314), (12, 1717157), (13, 1585068), (23, 895908), (26, 792534), (39, 528356), (46, 447954), (52, 396267), (69, 298636), (78, 264178), (92, 223977), (138, 149318), (156, 132089), (276, 74659), (299, 68916), (598, 34458), (897, 22972), (1196, 17229), (1794, 11486), (3588, 5743)]