20164594720

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1416053}}^1$

素因数の和:1416157

約数の個数: 48

約数和(自身を含む): 48174157080

約数和(自身を除く): 28009562360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 1416053, 2832106, 5664212, 7080265, 11328424, 14160530, 22656848, 28321060, 45313696, 56642120, 113284240, 126028717, 226568480, 252057434, 504114868, 630143585, 1008229736, 1260287170, 2016459472, 2520574340, 4032918944, 5041148680, 10082297360, 20164594720]

約数ペア:

[(1, 20164594720), (2, 10082297360), (4, 5041148680), (5, 4032918944), (8, 2520574340), (10, 2016459472), (16, 1260287170), (20, 1008229736), (32, 630143585), (40, 504114868), (80, 252057434), (89, 226568480), (160, 126028717), (178, 113284240), (356, 56642120), (445, 45313696), (712, 28321060), (890, 22656848), (1424, 14160530), (1780, 11328424), (2848, 7080265), (3560, 5664212), (7120, 2832106), (14240, 1416053)]