20078394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 49496832

約数和(自身を除く): 29418438

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 61, 102, 119, 122, 183, 238, 357, 366, 427, 461, 714, 854, 922, 1037, 1281, 1383, 2074, 2562, 2766, 3111, 3227, 6222, 6454, 7259, 7837, 9681, 14518, 15674, 19362, 21777, 23511, 28121, 43554, 47022, 54859, 56242, 84363, 109718, 164577, 168726, 196847, 329154, 393694, 478057, 590541, 956114, 1181082, 1434171, 2868342, 3346399, 6692798, 10039197, 20078394]

約数ペア:

[(1, 20078394), (2, 10039197), (3, 6692798), (6, 3346399), (7, 2868342), (14, 1434171), (17, 1181082), (21, 956114), (34, 590541), (42, 478057), (51, 393694), (61, 329154), (102, 196847), (119, 168726), (122, 164577), (183, 109718), (238, 84363), (357, 56242), (366, 54859), (427, 47022), (461, 43554), (714, 28121), (854, 23511), (922, 21777), (1037, 19362), (1281, 15674), (1383, 14518), (2074, 9681), (2562, 7837), (2766, 7259), (3111, 6454), (3227, 6222)]