20130371720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3332843}}^1$

素因数の和:3333005

約数の個数: 32

約数和(自身を含む): 45593305920

約数和(自身を除く): 25462934200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 3332843, 6665686, 13331372, 16664215, 26662744, 33328430, 66656860, 133313720, 503259293, 1006518586, 2013037172, 2516296465, 4026074344, 5032592930, 10065185860, 20130371720]

約数ペア:

[(1, 20130371720), (2, 10065185860), (4, 5032592930), (5, 4026074344), (8, 2516296465), (10, 2013037172), (20, 1006518586), (40, 503259293), (151, 133313720), (302, 66656860), (604, 33328430), (755, 26662744), (1208, 16664215), (1510, 13331372), (3020, 6665686), (6040, 3332843)]