20091602020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{632209}}^1$

素因数の和:632452

約数の個数: 48

約数和(自身を含む): 48432343680

約数和(自身を除く): 28340741660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 15890, 31780, 632209, 1264418, 2528836, 3161045, 4425463, 6322090, 8850926, 12644180, 17701852, 22127315, 44254630, 88509260, 143511443, 287022886, 574045772, 717557215, 1004580101, 1435114430, 2009160202, 2870228860, 4018320404, 5022900505, 10045801010, 20091602020]

約数ペア:

[(1, 20091602020), (2, 10045801010), (4, 5022900505), (5, 4018320404), (7, 2870228860), (10, 2009160202), (14, 1435114430), (20, 1004580101), (28, 717557215), (35, 574045772), (70, 287022886), (140, 143511443), (227, 88509260), (454, 44254630), (908, 22127315), (1135, 17701852), (1589, 12644180), (2270, 8850926), (3178, 6322090), (4540, 4425463), (6356, 3161045), (7945, 2528836), (15890, 1264418), (31780, 632209)]