20642097

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13199055

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 863, 1139, 1407, 2589, 3417, 6041, 7973, 14671, 18123, 23919, 44013, 57821, 102697, 173463, 308091, 404747, 982957, 1214241, 2948871, 6880699, 20642097]

約数ペア:

[(1, 20642097), (3, 6880699), (7, 2948871), (17, 1214241), (21, 982957), (51, 404747), (67, 308091), (119, 173463), (201, 102697), (357, 57821), (469, 44013), (863, 23919), (1139, 18123), (1407, 14671), (2589, 7973), (3417, 6041)]