20481638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13359514

約数列:

[1, 2, 23, 31, 46, 53, 62, 106, 271, 542, 713, 1219, 1426, 1643, 2438, 3286, 6233, 8401, 12466, 14363, 16802, 28726, 37789, 75578, 193223, 330349, 386446, 445253, 660698, 890506, 10240819, 20481638]

約数ペア:

[(1, 20481638), (2, 10240819), (23, 890506), (31, 660698), (46, 445253), (53, 386446), (62, 330349), (106, 193223), (271, 75578), (542, 37789), (713, 28726), (1219, 16802), (1426, 14363), (1643, 12466), (2438, 8401), (3286, 6233)]