20125415056

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{277}}^1\times {\mathrm{17669}}^1$

素因数の和:18211

約数の個数: 40

約数和(自身を含む): 39288255480

約数和(自身を除く): 19162840424

約数列:

[1, 2, 4, 8, 16, 257, 277, 514, 554, 1028, 1108, 2056, 2216, 4112, 4432, 17669, 35338, 70676, 71189, 141352, 142378, 282704, 284756, 569512, 1139024, 4540933, 4894313, 9081866, 9788626, 18163732, 19577252, 36327464, 39154504, 72654928, 78309008, 1257838441, 2515676882, 5031353764, 10062707528, 20125415056]

約数ペア:

[(1, 20125415056), (2, 10062707528), (4, 5031353764), (8, 2515676882), (16, 1257838441), (257, 78309008), (277, 72654928), (514, 39154504), (554, 36327464), (1028, 19577252), (1108, 18163732), (2056, 9788626), (2216, 9081866), (4112, 4894313), (4432, 4540933), (17669, 1139024), (35338, 569512), (70676, 284756), (71189, 282704), (141352, 142378)]