20131186556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1\times {\mathrm{3121}}^1$

素因数の和:4062

約数の個数: 48

約数和(自身を含む): 38234709408

約数和(自身を除く): 18103522852

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 761, 1522, 2119, 3044, 3121, 4238, 6242, 8476, 9893, 12484, 19786, 39572, 40573, 81146, 124043, 162292, 248086, 496172, 508723, 1017446, 1612559, 2034892, 2375081, 3225118, 4750162, 6450236, 6613399, 9500324, 13226798, 26453596, 30876053, 61752106, 123504212, 387138203, 774276406, 1548552812, 5032796639, 10065593278, 20131186556]

約数ペア:

[(1, 20131186556), (2, 10065593278), (4, 5032796639), (13, 1548552812), (26, 774276406), (52, 387138203), (163, 123504212), (326, 61752106), (652, 30876053), (761, 26453596), (1522, 13226798), (2119, 9500324), (3044, 6613399), (3121, 6450236), (4238, 4750162), (6242, 3225118), (8476, 2375081), (9893, 2034892), (12484, 1612559), (19786, 1017446), (39572, 508723), (40573, 496172), (81146, 248086), (124043, 162292)]