20162569980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6858017}}^1$

素因数の和:6858043

約数の個数: 72

約数和(自身を含む): 65672380368

約数和(自身を除く): 45509810388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6858017, 13716034, 20574051, 27432068, 34290085, 41148102, 48006119, 68580170, 82296204, 96012238, 102870255, 137160340, 144018357, 192024476, 205740510, 240030595, 288036714, 336042833, 411481020, 480061190, 576073428, 672085666, 720091785, 960122380, 1008128499, 1344171332, 1440183570, 1680214165, 2016256998, 2880367140, 3360428330, 4032513996, 5040642495, 6720856660, 10081284990, 20162569980]

約数ペア:

[(1, 20162569980), (2, 10081284990), (3, 6720856660), (4, 5040642495), (5, 4032513996), (6, 3360428330), (7, 2880367140), (10, 2016256998), (12, 1680214165), (14, 1440183570), (15, 1344171332), (20, 1008128499), (21, 960122380), (28, 720091785), (30, 672085666), (35, 576073428), (42, 480061190), (49, 411481020), (60, 336042833), (70, 288036714), (84, 240030595), (98, 205740510), (105, 192024476), (140, 144018357), (147, 137160340), (196, 102870255), (210, 96012238), (245, 82296204), (294, 68580170), (420, 48006119), (490, 41148102), (588, 34290085), (735, 27432068), (980, 20574051), (1470, 13716034), (2940, 6858017)]