20132458340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{164831}}^1$

素因数の和:165068

約数の個数: 48

約数和(自身を含む): 43863773184

約数和(自身を除く): 23731314844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1970, 3940, 6107, 12214, 24428, 30535, 61070, 122140, 164831, 329662, 659324, 824155, 1648310, 3296620, 5109761, 10219522, 20439044, 25548805, 32471707, 51097610, 64943414, 102195220, 129886828, 162358535, 324717070, 649434140, 1006622917, 2013245834, 4026491668, 5033114585, 10066229170, 20132458340]

約数ペア:

[(1, 20132458340), (2, 10066229170), (4, 5033114585), (5, 4026491668), (10, 2013245834), (20, 1006622917), (31, 649434140), (62, 324717070), (124, 162358535), (155, 129886828), (197, 102195220), (310, 64943414), (394, 51097610), (620, 32471707), (788, 25548805), (985, 20439044), (1970, 10219522), (3940, 5109761), (6107, 3296620), (12214, 1648310), (24428, 824155), (30535, 659324), (61070, 329662), (122140, 164831)]