20459964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 58222080

約数和(自身を除く): 37762116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 37, 42, 58, 74, 84, 87, 111, 116, 148, 174, 203, 222, 227, 259, 348, 406, 444, 454, 518, 609, 681, 777, 812, 908, 1036, 1073, 1218, 1362, 1554, 1589, 2146, 2436, 2724, 3108, 3178, 3219, 4292, 4767, 6356, 6438, 6583, 7511, 8399, 9534, 12876, 13166, 15022, 16798, 19068, 19749, 22533, 25197, 26332, 30044, 33596, 39498, 45066, 46081, 50394, 58793, 78996, 90132, 92162, 100788, 117586, 138243, 176379, 184324, 235172, 243571, 276486, 352758, 487142, 552972, 705516, 730713, 974284, 1461426, 1704997, 2922852, 3409994, 5114991, 6819988, 10229982, 20459964]

約数ペア:

[(1, 20459964), (2, 10229982), (3, 6819988), (4, 5114991), (6, 3409994), (7, 2922852), (12, 1704997), (14, 1461426), (21, 974284), (28, 730713), (29, 705516), (37, 552972), (42, 487142), (58, 352758), (74, 276486), (84, 243571), (87, 235172), (111, 184324), (116, 176379), (148, 138243), (174, 117586), (203, 100788), (222, 92162), (227, 90132), (259, 78996), (348, 58793), (406, 50394), (444, 46081), (454, 45066), (518, 39498), (609, 33596), (681, 30044), (777, 26332), (812, 25197), (908, 22533), (1036, 19749), (1073, 19068), (1218, 16798), (1362, 15022), (1554, 13166), (1589, 12876), (2146, 9534), (2436, 8399), (2724, 7511), (3108, 6583), (3178, 6438), (3219, 6356), (4292, 4767)]