20163507580

素因数分解:

$2^2\times 5^1\times {\mathrm{15679}}^1\times {\mathrm{64301}}^1$

素因数の和:79989

約数の個数: 24

約数和(自身を含む): 42346725120

約数和(自身を除く): 22183217540

約数列:

[1, 2, 4, 5, 10, 20, 15679, 31358, 62716, 64301, 78395, 128602, 156790, 257204, 313580, 321505, 643010, 1286020, 1008175379, 2016350758, 4032701516, 5040876895, 10081753790, 20163507580]

約数ペア:

[(1, 20163507580), (2, 10081753790), (4, 5040876895), (5, 4032701516), (10, 2016350758), (20, 1008175379), (15679, 1286020), (31358, 643010), (62716, 321505), (64301, 313580), (78395, 257204), (128602, 156790)]