15420664

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 33170400

約数和(自身を除く): 17749736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 541, 1018, 1082, 2036, 2164, 3563, 3787, 4072, 4328, 7126, 7574, 14252, 15148, 28504, 30296, 275369, 550738, 1101476, 1927583, 2202952, 3855166, 7710332, 15420664]

約数ペア:

[(1, 15420664), (2, 7710332), (4, 3855166), (7, 2202952), (8, 1927583), (14, 1101476), (28, 550738), (56, 275369), (509, 30296), (541, 28504), (1018, 15148), (1082, 14252), (2036, 7574), (2164, 7126), (3563, 4328), (3787, 4072)]