20149144850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{48221}}^1$

素因数の和:48431

約数の個数: 48

約数和(自身を含む): 38370631176

約数和(自身を除く): 18221486326

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 137, 274, 305, 610, 685, 1370, 1525, 3050, 3425, 6850, 8357, 16714, 41785, 48221, 83570, 96442, 208925, 241105, 417850, 482210, 1205525, 2411050, 2941481, 5882962, 6606277, 13212554, 14707405, 29414810, 33031385, 66062770, 73537025, 147074050, 165156925, 330313850, 402982897, 805965794, 2014914485, 4029828970, 10074572425, 20149144850]

約数ペア:

[(1, 20149144850), (2, 10074572425), (5, 4029828970), (10, 2014914485), (25, 805965794), (50, 402982897), (61, 330313850), (122, 165156925), (137, 147074050), (274, 73537025), (305, 66062770), (610, 33031385), (685, 29414810), (1370, 14707405), (1525, 13212554), (3050, 6606277), (3425, 5882962), (6850, 2941481), (8357, 2411050), (16714, 1205525), (41785, 482210), (48221, 417850), (83570, 241105), (96442, 208925)]