20186541620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{220811}}^1$

素因数の和:221480

約数の個数: 48

約数和(自身を含む): 48522112128

約数和(自身を除く): 28335570508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 1306, 2612, 3265, 4571, 6530, 9142, 13060, 18284, 22855, 45710, 91420, 220811, 441622, 883244, 1104055, 1545677, 2208110, 3091354, 4416220, 6182708, 7728385, 15456770, 30913540, 144189583, 288379166, 576758332, 720947915, 1009327081, 1441895830, 2018654162, 2883791660, 4037308324, 5046635405, 10093270810, 20186541620]

約数ペア:

[(1, 20186541620), (2, 10093270810), (4, 5046635405), (5, 4037308324), (7, 2883791660), (10, 2018654162), (14, 1441895830), (20, 1009327081), (28, 720947915), (35, 576758332), (70, 288379166), (140, 144189583), (653, 30913540), (1306, 15456770), (2612, 7728385), (3265, 6182708), (4571, 4416220), (6530, 3091354), (9142, 2208110), (13060, 1545677), (18284, 1104055), (22855, 883244), (45710, 441622), (91420, 220811)]