20137649973

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{54881}}^1$

素因数の和:55165

約数の個数: 32

約数和(自身を含む): 31169463552

約数和(自身を除く): 11031813579

約数列:

[1, 3, 7, 21, 101, 173, 303, 519, 707, 1211, 2121, 3633, 17473, 52419, 54881, 122311, 164643, 366933, 384167, 1152501, 5542981, 9494413, 16628943, 28483239, 38800867, 66460891, 116402601, 199382673, 958935713, 2876807139, 6712549991, 20137649973]

約数ペア:

[(1, 20137649973), (3, 6712549991), (7, 2876807139), (21, 958935713), (101, 199382673), (173, 116402601), (303, 66460891), (519, 38800867), (707, 28483239), (1211, 16628943), (2121, 9494413), (3633, 5542981), (17473, 1152501), (52419, 384167), (54881, 366933), (122311, 164643)]