20157353478

素因数分解:

$2^1\times 3^2\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{25561}}^1$

素因数の和:25989

約数の個数: 48

約数和(自身を含む): 44095676976

約数和(自身を除く): 23938323498

約数列:

[1, 2, 3, 6, 9, 18, 193, 227, 386, 454, 579, 681, 1158, 1362, 1737, 2043, 3474, 4086, 25561, 43811, 51122, 76683, 87622, 131433, 153366, 230049, 262866, 394299, 460098, 788598, 4933273, 5802347, 9866546, 11604694, 14799819, 17407041, 29599638, 34814082, 44399457, 52221123, 88798914, 104442246, 1119852971, 2239705942, 3359558913, 6719117826, 10078676739, 20157353478]

約数ペア:

[(1, 20157353478), (2, 10078676739), (3, 6719117826), (6, 3359558913), (9, 2239705942), (18, 1119852971), (193, 104442246), (227, 88798914), (386, 52221123), (454, 44399457), (579, 34814082), (681, 29599638), (1158, 17407041), (1362, 14799819), (1737, 11604694), (2043, 9866546), (3474, 5802347), (4086, 4933273), (25561, 788598), (43811, 460098), (51122, 394299), (76683, 262866), (87622, 230049), (131433, 153366)]