20260356488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1\times {\mathrm{1109}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 40263696000

約数和(自身を除く): 20003339512

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 457, 526, 914, 1052, 1109, 1828, 2104, 2218, 3656, 4436, 4997, 8683, 8872, 9994, 17366, 19988, 21071, 34732, 39976, 42142, 69464, 84284, 120191, 168568, 240382, 291667, 480764, 506813, 583334, 961528, 1013626, 1166668, 2027252, 2283629, 2333336, 4054504, 4567258, 5541673, 9134516, 9629447, 11083346, 18269032, 19258894, 22166692, 38517788, 44333384, 77035576, 133291819, 266583638, 533167276, 1066334552, 2532544561, 5065089122, 10130178244, 20260356488]

約数ペア:

[(1, 20260356488), (2, 10130178244), (4, 5065089122), (8, 2532544561), (19, 1066334552), (38, 533167276), (76, 266583638), (152, 133291819), (263, 77035576), (457, 44333384), (526, 38517788), (914, 22166692), (1052, 19258894), (1109, 18269032), (1828, 11083346), (2104, 9629447), (2218, 9134516), (3656, 5541673), (4436, 4567258), (4997, 4054504), (8683, 2333336), (8872, 2283629), (9994, 2027252), (17366, 1166668), (19988, 1013626), (21071, 961528), (34732, 583334), (39976, 506813), (42142, 480764), (69464, 291667), (84284, 240382), (120191, 168568)]