20376417

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 9460383

約数列:

[1, 3, 19, 57, 59, 73, 83, 177, 219, 249, 1121, 1387, 1577, 3363, 4161, 4307, 4731, 4897, 6059, 12921, 14691, 18177, 81833, 93043, 115121, 245499, 279129, 345363, 357481, 1072443, 6792139, 20376417]

約数ペア:

[(1, 20376417), (3, 6792139), (19, 1072443), (57, 357481), (59, 345363), (73, 279129), (83, 245499), (177, 115121), (219, 93043), (249, 81833), (1121, 18177), (1387, 14691), (1577, 12921), (3363, 6059), (4161, 4897), (4307, 4731)]