20175336531

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{16831}}^1$

素因数の和:17256

約数の個数: 48

約数和(自身を含む): 34030264320

約数和(自身を除く): 13854927789

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 359, 371, 477, 1077, 1113, 2513, 3231, 3339, 7539, 16831, 19027, 22617, 50493, 57081, 117817, 133189, 151479, 171243, 353451, 399567, 892043, 1060353, 1198701, 2676129, 6042329, 6244301, 8028387, 18126987, 18732903, 42296303, 54380961, 56198709, 126888909, 320243437, 380666727, 960730311, 2241704059, 2882190933, 6725112177, 20175336531]

約数ペア:

[(1, 20175336531), (3, 6725112177), (7, 2882190933), (9, 2241704059), (21, 960730311), (53, 380666727), (63, 320243437), (159, 126888909), (359, 56198709), (371, 54380961), (477, 42296303), (1077, 18732903), (1113, 18126987), (2513, 8028387), (3231, 6244301), (3339, 6042329), (7539, 2676129), (16831, 1198701), (19027, 1060353), (22617, 892043), (50493, 399567), (57081, 353451), (117817, 171243), (133189, 151479)]