20191004031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{15107}}^1$

素因数の和:15623

約数の個数: 32

約数和(自身を含む): 29735444736

約数和(自身を除く): 9544440705

約数列:

[1, 3, 11, 33, 101, 303, 401, 1111, 1203, 3333, 4411, 13233, 15107, 40501, 45321, 121503, 166177, 445511, 498531, 1336533, 1525807, 4577421, 6057907, 16783877, 18173721, 50351631, 66636977, 199910931, 611848607, 1835545821, 6730334677, 20191004031]

約数ペア:

[(1, 20191004031), (3, 6730334677), (11, 1835545821), (33, 611848607), (101, 199910931), (303, 66636977), (401, 50351631), (1111, 18173721), (1203, 16783877), (3333, 6057907), (4411, 4577421), (13233, 1525807), (15107, 1336533), (40501, 498531), (45321, 445511), (121503, 166177)]