17720220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1411

約数の個数: 96

約数和(自身を含む): 58576896

約数和(自身を除く): 40856676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1361, 1860, 2170, 2604, 2722, 3255, 4083, 4340, 5444, 6510, 6805, 8166, 9527, 13020, 13610, 16332, 19054, 20415, 27220, 28581, 38108, 40830, 42191, 47635, 57162, 81660, 84382, 95270, 114324, 126573, 142905, 168764, 190540, 210955, 253146, 285810, 295337, 421910, 506292, 571620, 590674, 632865, 843820, 886011, 1181348, 1265730, 1476685, 1772022, 2531460, 2953370, 3544044, 4430055, 5906740, 8860110, 17720220]

約数ペア:

[(1, 17720220), (2, 8860110), (3, 5906740), (4, 4430055), (5, 3544044), (6, 2953370), (7, 2531460), (10, 1772022), (12, 1476685), (14, 1265730), (15, 1181348), (20, 886011), (21, 843820), (28, 632865), (30, 590674), (31, 571620), (35, 506292), (42, 421910), (60, 295337), (62, 285810), (70, 253146), (84, 210955), (93, 190540), (105, 168764), (124, 142905), (140, 126573), (155, 114324), (186, 95270), (210, 84382), (217, 81660), (310, 57162), (372, 47635), (420, 42191), (434, 40830), (465, 38108), (620, 28581), (651, 27220), (868, 20415), (930, 19054), (1085, 16332), (1302, 13610), (1361, 13020), (1860, 9527), (2170, 8166), (2604, 6805), (2722, 6510), (3255, 5444), (4083, 4340)]