20493564

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39717636

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 343, 364, 383, 546, 588, 637, 686, 766, 1029, 1092, 1149, 1274, 1372, 1532, 1911, 2058, 2298, 2548, 2681, 3822, 4116, 4459, 4596, 4979, 5362, 7644, 8043, 8918, 9958, 10724, 13377, 14937, 16086, 17836, 18767, 19916, 26754, 29874, 32172, 34853, 37534, 53508, 56301, 59748, 69706, 75068, 104559, 112602, 131369, 139412, 209118, 225204, 243971, 262738, 394107, 418236, 487942, 525476, 731913, 788214, 975884, 1463826, 1576428, 1707797, 2927652, 3415594, 5123391, 6831188, 10246782, 20493564]

約数ペア:

[(1, 20493564), (2, 10246782), (3, 6831188), (4, 5123391), (6, 3415594), (7, 2927652), (12, 1707797), (13, 1576428), (14, 1463826), (21, 975884), (26, 788214), (28, 731913), (39, 525476), (42, 487942), (49, 418236), (52, 394107), (78, 262738), (84, 243971), (91, 225204), (98, 209118), (147, 139412), (156, 131369), (182, 112602), (196, 104559), (273, 75068), (294, 69706), (343, 59748), (364, 56301), (383, 53508), (546, 37534), (588, 34853), (637, 32172), (686, 29874), (766, 26754), (1029, 19916), (1092, 18767), (1149, 17836), (1274, 16086), (1372, 14937), (1532, 13377), (1911, 10724), (2058, 9958), (2298, 8918), (2548, 8043), (2681, 7644), (3822, 5362), (4116, 4979), (4459, 4596)]