20327008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 43542576

約数和(自身を除く): 23215568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 373, 416, 524, 746, 1048, 1492, 1703, 2096, 2984, 3406, 4192, 4849, 5968, 6812, 9698, 11936, 13624, 19396, 27248, 38792, 48863, 54496, 77584, 97726, 155168, 195452, 390904, 635219, 781808, 1270438, 1563616, 2540876, 5081752, 10163504, 20327008]

約数ペア:

[(1, 20327008), (2, 10163504), (4, 5081752), (8, 2540876), (13, 1563616), (16, 1270438), (26, 781808), (32, 635219), (52, 390904), (104, 195452), (131, 155168), (208, 97726), (262, 77584), (373, 54496), (416, 48863), (524, 38792), (746, 27248), (1048, 19396), (1492, 13624), (1703, 11936), (2096, 9698), (2984, 6812), (3406, 5968), (4192, 4849)]