20153970935

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{70163}}^1$

素因数の和:70487

約数の個数: 32

約数和(自身を含む): 28694269440

約数和(自身を除く): 8540298505

約数列:

[1, 5, 7, 29, 35, 145, 203, 283, 1015, 1415, 1981, 8207, 9905, 41035, 57449, 70163, 287245, 350815, 491141, 2034727, 2455705, 10173635, 14243089, 19856129, 71215445, 99280645, 138992903, 575827741, 694964515, 2879138705, 4030794187, 20153970935]

約数ペア:

[(1, 20153970935), (5, 4030794187), (7, 2879138705), (29, 694964515), (35, 575827741), (145, 138992903), (203, 99280645), (283, 71215445), (1015, 19856129), (1415, 14243089), (1981, 10173635), (8207, 2455705), (9905, 2034727), (41035, 491141), (57449, 350815), (70163, 287245)]