55586020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20897}}^1$

素因数の和:20932

約数の個数: 48

約数和(自身を含む): 140434560

約数和(自身を除く): 84848540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20897, 41794, 83588, 104485, 146279, 208970, 292558, 397043, 417940, 585116, 731395, 794086, 1462790, 1588172, 1985215, 2779301, 2925580, 3970430, 5558602, 7940860, 11117204, 13896505, 27793010, 55586020]

約数ペア:

[(1, 55586020), (2, 27793010), (4, 13896505), (5, 11117204), (7, 7940860), (10, 5558602), (14, 3970430), (19, 2925580), (20, 2779301), (28, 1985215), (35, 1588172), (38, 1462790), (70, 794086), (76, 731395), (95, 585116), (133, 417940), (140, 397043), (190, 292558), (266, 208970), (380, 146279), (532, 104485), (665, 83588), (1330, 41794), (2660, 20897)]