20824860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 67253760

約数和(自身を除く): 46428900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 277, 358, 420, 537, 554, 716, 831, 895, 1074, 1108, 1253, 1385, 1662, 1790, 1939, 2148, 2506, 2685, 2770, 3324, 3580, 3759, 3878, 4155, 5012, 5370, 5540, 5817, 6265, 7518, 7756, 8310, 9695, 10740, 11634, 12530, 15036, 16620, 18795, 19390, 23268, 25060, 29085, 37590, 38780, 49583, 58170, 75180, 99166, 116340, 148749, 198332, 247915, 297498, 347081, 495830, 594996, 694162, 743745, 991660, 1041243, 1388324, 1487490, 1735405, 2082486, 2974980, 3470810, 4164972, 5206215, 6941620, 10412430, 20824860]

約数ペア:

[(1, 20824860), (2, 10412430), (3, 6941620), (4, 5206215), (5, 4164972), (6, 3470810), (7, 2974980), (10, 2082486), (12, 1735405), (14, 1487490), (15, 1388324), (20, 1041243), (21, 991660), (28, 743745), (30, 694162), (35, 594996), (42, 495830), (60, 347081), (70, 297498), (84, 247915), (105, 198332), (140, 148749), (179, 116340), (210, 99166), (277, 75180), (358, 58170), (420, 49583), (537, 38780), (554, 37590), (716, 29085), (831, 25060), (895, 23268), (1074, 19390), (1108, 18795), (1253, 16620), (1385, 15036), (1662, 12530), (1790, 11634), (1939, 10740), (2148, 9695), (2506, 8310), (2685, 7756), (2770, 7518), (3324, 6265), (3580, 5817), (3759, 5540), (3878, 5370), (4155, 5012)]