20287723612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4938589}}^1$

素因数の和:4938685

約数の個数: 24

約数和(自身を含む): 38718545600

約数和(自身を除く): 18430821988

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4938589, 9877178, 19754356, 64201657, 128403314, 256806628, 390148531, 780297062, 1560594124, 5071930903, 10143861806, 20287723612]

約数ペア:

[(1, 20287723612), (2, 10143861806), (4, 5071930903), (13, 1560594124), (26, 780297062), (52, 390148531), (79, 256806628), (158, 128403314), (316, 64201657), (1027, 19754356), (2054, 9877178), (4108, 4938589)]