20323492

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 42136192

約数和(自身を除く): 21812700

約数列:

[1, 2, 4, 7, 14, 28, 61, 73, 122, 146, 163, 244, 292, 326, 427, 511, 652, 854, 1022, 1141, 1708, 2044, 2282, 4453, 4564, 8906, 9943, 11899, 17812, 19886, 23798, 31171, 39772, 47596, 62342, 69601, 83293, 124684, 139202, 166586, 278404, 333172, 725839, 1451678, 2903356, 5080873, 10161746, 20323492]

約数ペア:

[(1, 20323492), (2, 10161746), (4, 5080873), (7, 2903356), (14, 1451678), (28, 725839), (61, 333172), (73, 278404), (122, 166586), (146, 139202), (163, 124684), (244, 83293), (292, 69601), (326, 62342), (427, 47596), (511, 39772), (652, 31171), (854, 23798), (1022, 19886), (1141, 17812), (1708, 11899), (2044, 9943), (2282, 8906), (4453, 4564)]