20266312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 29500088

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 23, 31, 34, 38, 44, 46, 62, 68, 76, 88, 92, 124, 136, 152, 184, 187, 209, 248, 253, 323, 341, 374, 391, 418, 437, 506, 527, 589, 646, 682, 713, 748, 782, 836, 874, 1012, 1054, 1178, 1292, 1364, 1426, 1496, 1564, 1672, 1748, 2024, 2108, 2356, 2584, 2728, 2852, 3128, 3496, 3553, 4216, 4301, 4712, 4807, 5704, 5797, 6479, 7106, 7429, 7843, 8602, 9614, 10013, 11594, 12121, 12958, 13547, 14212, 14858, 15686, 17204, 19228, 20026, 23188, 24242, 25916, 27094, 28424, 29716, 31372, 34408, 38456, 40052, 46376, 48484, 51832, 54188, 59432, 62744, 80104, 81719, 96968, 108376, 110143, 133331, 149017, 163438, 220286, 230299, 266662, 298034, 326876, 440572, 460598, 533324, 596068, 653752, 881144, 921196, 1066648, 1192136, 1842392, 2533289, 5066578, 10133156, 20266312]

約数ペア:

[(1, 20266312), (2, 10133156), (4, 5066578), (8, 2533289), (11, 1842392), (17, 1192136), (19, 1066648), (22, 921196), (23, 881144), (31, 653752), (34, 596068), (38, 533324), (44, 460598), (46, 440572), (62, 326876), (68, 298034), (76, 266662), (88, 230299), (92, 220286), (124, 163438), (136, 149017), (152, 133331), (184, 110143), (187, 108376), (209, 96968), (248, 81719), (253, 80104), (323, 62744), (341, 59432), (374, 54188), (391, 51832), (418, 48484), (437, 46376), (506, 40052), (527, 38456), (589, 34408), (646, 31372), (682, 29716), (713, 28424), (748, 27094), (782, 25916), (836, 24242), (874, 23188), (1012, 20026), (1054, 19228), (1178, 17204), (1292, 15686), (1364, 14858), (1426, 14212), (1496, 13547), (1564, 12958), (1672, 12121), (1748, 11594), (2024, 10013), (2108, 9614), (2356, 8602), (2584, 7843), (2728, 7429), (2852, 7106), (3128, 6479), (3496, 5797), (3553, 5704), (4216, 4807), (4301, 4712)]