20813352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{541}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 59836800

約数和(自身を除く): 39023448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 541, 687, 916, 1082, 1374, 1603, 1623, 1832, 2164, 2748, 3206, 3246, 3787, 4328, 4809, 5496, 6412, 6492, 7574, 9618, 11361, 12824, 12984, 15148, 19236, 22722, 30296, 38472, 45444, 90888, 123889, 247778, 371667, 495556, 743334, 867223, 991112, 1486668, 1734446, 2601669, 2973336, 3468892, 5203338, 6937784, 10406676, 20813352]

約数ペア:

[(1, 20813352), (2, 10406676), (3, 6937784), (4, 5203338), (6, 3468892), (7, 2973336), (8, 2601669), (12, 1734446), (14, 1486668), (21, 991112), (24, 867223), (28, 743334), (42, 495556), (56, 371667), (84, 247778), (168, 123889), (229, 90888), (458, 45444), (541, 38472), (687, 30296), (916, 22722), (1082, 19236), (1374, 15148), (1603, 12984), (1623, 12824), (1832, 11361), (2164, 9618), (2748, 7574), (3206, 6492), (3246, 6412), (3787, 5496), (4328, 4809)]