20732904

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1907}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 56553120

約数和(自身を除く): 35820216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1907, 2718, 3624, 3814, 5436, 5721, 7628, 10872, 11442, 15256, 17163, 22884, 34326, 45768, 68652, 137304, 287957, 575914, 863871, 1151828, 1727742, 2303656, 2591613, 3455484, 5183226, 6910968, 10366452, 20732904]

約数ペア:

[(1, 20732904), (2, 10366452), (3, 6910968), (4, 5183226), (6, 3455484), (8, 2591613), (9, 2303656), (12, 1727742), (18, 1151828), (24, 863871), (36, 575914), (72, 287957), (151, 137304), (302, 68652), (453, 45768), (604, 34326), (906, 22884), (1208, 17163), (1359, 15256), (1812, 11442), (1907, 10872), (2718, 7628), (3624, 5721), (3814, 5436)]