20200221720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2671987}}^1$

素因数の和:2672014

約数の個数: 128

約数和(自身を含む): 76953254400

約数和(自身を除く): 56753032680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2671987, 5343974, 8015961, 10687948, 13359935, 16031922, 18703909, 21375896, 24047883, 26719870, 32063844, 37407818, 40079805, 48095766, 53439740, 56111727, 64127688, 72143649, 74815636, 80159610, 93519545, 96191532, 106879480, 112223454, 120239415, 144287298, 149631272, 160319220, 168335181, 187039090, 192383064, 224446908, 240478830, 280558635, 288574596, 320638440, 336670362, 360718245, 374078180, 448893816, 480957660, 505005543, 561117270, 577149192, 673340724, 721436490, 748156360, 841675905, 961915320, 1010011086, 1122234540, 1346681448, 1442872980, 1683351810, 2020022172, 2244469080, 2525027715, 2885745960, 3366703620, 4040044344, 5050055430, 6733407240, 10100110860, 20200221720]

約数ペア:

[(1, 20200221720), (2, 10100110860), (3, 6733407240), (4, 5050055430), (5, 4040044344), (6, 3366703620), (7, 2885745960), (8, 2525027715), (9, 2244469080), (10, 2020022172), (12, 1683351810), (14, 1442872980), (15, 1346681448), (18, 1122234540), (20, 1010011086), (21, 961915320), (24, 841675905), (27, 748156360), (28, 721436490), (30, 673340724), (35, 577149192), (36, 561117270), (40, 505005543), (42, 480957660), (45, 448893816), (54, 374078180), (56, 360718245), (60, 336670362), (63, 320638440), (70, 288574596), (72, 280558635), (84, 240478830), (90, 224446908), (105, 192383064), (108, 187039090), (120, 168335181), (126, 160319220), (135, 149631272), (140, 144287298), (168, 120239415), (180, 112223454), (189, 106879480), (210, 96191532), (216, 93519545), (252, 80159610), (270, 74815636), (280, 72143649), (315, 64127688), (360, 56111727), (378, 53439740), (420, 48095766), (504, 40079805), (540, 37407818), (630, 32063844), (756, 26719870), (840, 24047883), (945, 21375896), (1080, 18703909), (1260, 16031922), (1512, 13359935), (1890, 10687948), (2520, 8015961), (3780, 5343974), (7560, 2671987)]