20053500180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47746429}}^1$

素因数の和:47746448

約数の個数: 48

約数和(自身を含む): 64171201920

約数和(自身を除く): 44117701740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47746429, 95492858, 143239287, 190985716, 238732145, 286478574, 334225003, 477464290, 572957148, 668450006, 716196435, 954928580, 1002675009, 1336900012, 1432392870, 1671125015, 2005350018, 2864785740, 3342250030, 4010700036, 5013375045, 6684500060, 10026750090, 20053500180]

約数ペア:

[(1, 20053500180), (2, 10026750090), (3, 6684500060), (4, 5013375045), (5, 4010700036), (6, 3342250030), (7, 2864785740), (10, 2005350018), (12, 1671125015), (14, 1432392870), (15, 1336900012), (20, 1002675009), (21, 954928580), (28, 716196435), (30, 668450006), (35, 572957148), (42, 477464290), (60, 334225003), (70, 286478574), (84, 238732145), (105, 190985716), (140, 143239287), (210, 95492858), (420, 47746429)]