20163721220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1049101}}^1$

素因数の和:1049172

約数の個数: 36

約数和(自身を含む): 43753848012

約数和(自身を除く): 23590126792

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 1049101, 2098202, 4196404, 5245505, 10491010, 20982020, 32522131, 65044262, 130088524, 162610655, 325221310, 650442620, 1008186061, 2016372122, 4032744244, 5040930305, 10081860610, 20163721220]

約数ペア:

[(1, 20163721220), (2, 10081860610), (4, 5040930305), (5, 4032744244), (10, 2016372122), (20, 1008186061), (31, 650442620), (62, 325221310), (124, 162610655), (155, 130088524), (310, 65044262), (620, 32522131), (961, 20982020), (1922, 10491010), (3844, 5245505), (4805, 4196404), (9610, 2098202), (19220, 1049101)]