20761182

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 72

約数和(自身を含む): 51627576

約数和(自身を除く): 30866394

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 307, 442, 578, 614, 663, 867, 921, 1326, 1734, 1842, 1989, 2601, 2763, 3757, 3978, 3991, 5202, 5219, 5526, 7514, 7982, 10438, 11271, 11973, 15657, 22542, 23946, 31314, 33813, 35919, 46971, 67626, 67847, 71838, 88723, 93942, 135694, 177446, 203541, 266169, 407082, 532338, 610623, 798507, 1153399, 1221246, 1597014, 2306798, 3460197, 6920394, 10380591, 20761182]

約数ペア:

[(1, 20761182), (2, 10380591), (3, 6920394), (6, 3460197), (9, 2306798), (13, 1597014), (17, 1221246), (18, 1153399), (26, 798507), (34, 610623), (39, 532338), (51, 407082), (78, 266169), (102, 203541), (117, 177446), (153, 135694), (221, 93942), (234, 88723), (289, 71838), (306, 67847), (307, 67626), (442, 46971), (578, 35919), (614, 33813), (663, 31314), (867, 23946), (921, 22542), (1326, 15657), (1734, 11973), (1842, 11271), (1989, 10438), (2601, 7982), (2763, 7514), (3757, 5526), (3978, 5219), (3991, 5202)]