201920920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{69151}}^1$

素因数の和:69235

約数の個数: 32

約数和(自身を含む): 460552320

約数和(自身を除く): 258631400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 69151, 138302, 276604, 345755, 553208, 691510, 1383020, 2766040, 5048023, 10096046, 20192092, 25240115, 40384184, 50480230, 100960460, 201920920]

約数ペア:

[(1, 201920920), (2, 100960460), (4, 50480230), (5, 40384184), (8, 25240115), (10, 20192092), (20, 10096046), (40, 5048023), (73, 2766040), (146, 1383020), (292, 691510), (365, 553208), (584, 345755), (730, 276604), (1460, 138302), (2920, 69151)]