20139022700

素因数分解:

$2^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{647557}}^1$

素因数の和:647882

約数の個数: 36

約数和(自身を含む): 43842266832

約数和(自身を除く): 23703244132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 311, 622, 1244, 1555, 3110, 6220, 7775, 15550, 31100, 647557, 1295114, 2590228, 3237785, 6475570, 12951140, 16188925, 32377850, 64755700, 201390227, 402780454, 805560908, 1006951135, 2013902270, 4027804540, 5034755675, 10069511350, 20139022700]

約数ペア:

[(1, 20139022700), (2, 10069511350), (4, 5034755675), (5, 4027804540), (10, 2013902270), (20, 1006951135), (25, 805560908), (50, 402780454), (100, 201390227), (311, 64755700), (622, 32377850), (1244, 16188925), (1555, 12951140), (3110, 6475570), (6220, 3237785), (7775, 2590228), (15550, 1295114), (31100, 647557)]