20780051032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1323233}}^1$

素因数の和:1323403

約数の個数: 32

約数和(自身を含む): 42237629280

約数和(自身を除く): 21457578248

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 3926, 7852, 15704, 1323233, 2646466, 5292932, 10585864, 17202029, 34404058, 68808116, 137616232, 199808183, 399616366, 799232732, 1598465464, 2597506379, 5195012758, 10390025516, 20780051032]

約数ペア:

[(1, 20780051032), (2, 10390025516), (4, 5195012758), (8, 2597506379), (13, 1598465464), (26, 799232732), (52, 399616366), (104, 199808183), (151, 137616232), (302, 68808116), (604, 34404058), (1208, 17202029), (1963, 10585864), (3926, 5292932), (7852, 2646466), (15704, 1323233)]