20508228

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:576

約数の個数: 84

約数和(自身を含む): 58055788

約数和(自身を除く): 37547560

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 541, 702, 729, 972, 1053, 1082, 1404, 1458, 1623, 2106, 2164, 2916, 3159, 3246, 4212, 4869, 6318, 6492, 7033, 9477, 9738, 12636, 14066, 14607, 18954, 19476, 21099, 28132, 29214, 37908, 42198, 43821, 58428, 63297, 84396, 87642, 126594, 131463, 175284, 189891, 253188, 262926, 379782, 394389, 525852, 569673, 759564, 788778, 1139346, 1577556, 1709019, 2278692, 3418038, 5127057, 6836076, 10254114, 20508228]

約数ペア:

[(1, 20508228), (2, 10254114), (3, 6836076), (4, 5127057), (6, 3418038), (9, 2278692), (12, 1709019), (13, 1577556), (18, 1139346), (26, 788778), (27, 759564), (36, 569673), (39, 525852), (52, 394389), (54, 379782), (78, 262926), (81, 253188), (108, 189891), (117, 175284), (156, 131463), (162, 126594), (234, 87642), (243, 84396), (324, 63297), (351, 58428), (468, 43821), (486, 42198), (541, 37908), (702, 29214), (729, 28132), (972, 21099), (1053, 19476), (1082, 18954), (1404, 14607), (1458, 14066), (1623, 12636), (2106, 9738), (2164, 9477), (2916, 7033), (3159, 6492), (3246, 6318), (4212, 4869)]