20301990232

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{279211}}^1$

素因数の和:279427

約数の個数: 32

約数和(自身を含む): 38950074000

約数和(自身を除く): 18648083768

約数列:

[1, 2, 4, 8, 61, 122, 149, 244, 298, 488, 596, 1192, 9089, 18178, 36356, 72712, 279211, 558422, 1116844, 2233688, 17031871, 34063742, 41602439, 68127484, 83204878, 136254968, 166409756, 332819512, 2537748779, 5075497558, 10150995116, 20301990232]

約数ペア:

[(1, 20301990232), (2, 10150995116), (4, 5075497558), (8, 2537748779), (61, 332819512), (122, 166409756), (149, 136254968), (244, 83204878), (298, 68127484), (488, 41602439), (596, 34063742), (1192, 17031871), (9089, 2233688), (18178, 1116844), (36356, 558422), (72712, 279211)]