20778826178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1\times {\mathrm{7369}}^1$

素因数の和:9362

約数の個数: 32

約数和(自身を含む): 34531928640

約数和(自身を除く): 13753102462

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 1913, 3826, 7369, 14738, 21043, 42086, 81059, 128171, 162118, 256342, 493723, 987446, 1409881, 2819762, 5430953, 10861906, 14096897, 28193794, 155065867, 310131734, 944492099, 1888984198, 10389413089, 20778826178]

約数ペア:

[(1, 20778826178), (2, 10389413089), (11, 1888984198), (22, 944492099), (67, 310131734), (134, 155065867), (737, 28193794), (1474, 14096897), (1913, 10861906), (3826, 5430953), (7369, 2819762), (14738, 1409881), (21043, 987446), (42086, 493723), (81059, 256342), (128171, 162118)]