20745432

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{3947}}^1$

素因数の和:4032

約数の個数: 48

約数和(自身を含む): 56969640

約数和(自身を除く): 36224208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 3947, 5256, 7894, 11841, 15788, 23682, 31576, 35523, 47364, 71046, 94728, 142092, 284184, 288131, 576262, 864393, 1152524, 1728786, 2305048, 2593179, 3457572, 5186358, 6915144, 10372716, 20745432]

約数ペア:

[(1, 20745432), (2, 10372716), (3, 6915144), (4, 5186358), (6, 3457572), (8, 2593179), (9, 2305048), (12, 1728786), (18, 1152524), (24, 864393), (36, 576262), (72, 288131), (73, 284184), (146, 142092), (219, 94728), (292, 71046), (438, 47364), (584, 35523), (657, 31576), (876, 23682), (1314, 15788), (1752, 11841), (2628, 7894), (3947, 5256)]