20219858757

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{13487}}^1$

素因数の和:14002

約数の個数: 48

約数和(自身を含む): 34086873600

約数和(自身を除く): 13867014843

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 449, 477, 1113, 1347, 3143, 3339, 4041, 9429, 13487, 23797, 28287, 40461, 71391, 94409, 121383, 166579, 214173, 283227, 499737, 714811, 849681, 1499211, 2144433, 5003677, 6055663, 6433299, 15011031, 18166989, 42389641, 45033093, 54500967, 127168923, 320950139, 381506769, 962850417, 2246650973, 2888551251, 6739952919, 20219858757]

約数ペア:

[(1, 20219858757), (3, 6739952919), (7, 2888551251), (9, 2246650973), (21, 962850417), (53, 381506769), (63, 320950139), (159, 127168923), (371, 54500967), (449, 45033093), (477, 42389641), (1113, 18166989), (1347, 15011031), (3143, 6433299), (3339, 6055663), (4041, 5003677), (9429, 2144433), (13487, 1499211), (23797, 849681), (28287, 714811), (40461, 499737), (71391, 283227), (94409, 214173), (121383, 166579)]