20008260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3833}}^1$

素因数の和:3877

約数の個数: 72

約数和(自身を含む): 62800920

約数和(自身を除く): 42792660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3833, 5220, 7666, 11499, 15332, 19165, 22998, 34497, 38330, 45996, 57495, 68994, 76660, 111157, 114990, 137988, 172485, 222314, 229980, 333471, 344970, 444628, 555785, 666942, 689940, 1000413, 1111570, 1333884, 1667355, 2000826, 2223140, 3334710, 4001652, 5002065, 6669420, 10004130, 20008260]

約数ペア:

[(1, 20008260), (2, 10004130), (3, 6669420), (4, 5002065), (5, 4001652), (6, 3334710), (9, 2223140), (10, 2000826), (12, 1667355), (15, 1333884), (18, 1111570), (20, 1000413), (29, 689940), (30, 666942), (36, 555785), (45, 444628), (58, 344970), (60, 333471), (87, 229980), (90, 222314), (116, 172485), (145, 137988), (174, 114990), (180, 111157), (261, 76660), (290, 68994), (348, 57495), (435, 45996), (522, 38330), (580, 34497), (870, 22998), (1044, 19165), (1305, 15332), (1740, 11499), (2610, 7666), (3833, 5220)]