20219220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1811

約数の個数: 120

約数和(自身を含む): 72530304

約数和(自身を除く): 52311084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1783, 1890, 2268, 2835, 3566, 3780, 5349, 5670, 7132, 8915, 10698, 11340, 12481, 16047, 17830, 21396, 24962, 26745, 32094, 35660, 37443, 48141, 49924, 53490, 62405, 64188, 74886, 80235, 96282, 106980, 112329, 124810, 144423, 149772, 160470, 187215, 192564, 224658, 240705, 249620, 288846, 320940, 336987, 374430, 449316, 481410, 561645, 577692, 673974, 722115, 748860, 962820, 1010961, 1123290, 1347948, 1444230, 1684935, 2021922, 2246580, 2888460, 3369870, 4043844, 5054805, 6739740, 10109610, 20219220]

約数ペア:

[(1, 20219220), (2, 10109610), (3, 6739740), (4, 5054805), (5, 4043844), (6, 3369870), (7, 2888460), (9, 2246580), (10, 2021922), (12, 1684935), (14, 1444230), (15, 1347948), (18, 1123290), (20, 1010961), (21, 962820), (27, 748860), (28, 722115), (30, 673974), (35, 577692), (36, 561645), (42, 481410), (45, 449316), (54, 374430), (60, 336987), (63, 320940), (70, 288846), (81, 249620), (84, 240705), (90, 224658), (105, 192564), (108, 187215), (126, 160470), (135, 149772), (140, 144423), (162, 124810), (180, 112329), (189, 106980), (210, 96282), (252, 80235), (270, 74886), (315, 64188), (324, 62405), (378, 53490), (405, 49924), (420, 48141), (540, 37443), (567, 35660), (630, 32094), (756, 26745), (810, 24962), (945, 21396), (1134, 17830), (1260, 16047), (1620, 12481), (1783, 11340), (1890, 10698), (2268, 8915), (2835, 7132), (3566, 5670), (3780, 5349)]