20486142

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 49190400

約数和(自身を除く): 28704258

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 82, 114, 123, 171, 246, 342, 369, 487, 513, 738, 779, 974, 1026, 1107, 1461, 1558, 2214, 2337, 2922, 4383, 4674, 7011, 8766, 9253, 13149, 14022, 18506, 19967, 21033, 26298, 27759, 39934, 42066, 55518, 59901, 83277, 119802, 166554, 179703, 249831, 359406, 379373, 499662, 539109, 758746, 1078218, 1138119, 2276238, 3414357, 6828714, 10243071, 20486142]

約数ペア:

[(1, 20486142), (2, 10243071), (3, 6828714), (6, 3414357), (9, 2276238), (18, 1138119), (19, 1078218), (27, 758746), (38, 539109), (41, 499662), (54, 379373), (57, 359406), (82, 249831), (114, 179703), (123, 166554), (171, 119802), (246, 83277), (342, 59901), (369, 55518), (487, 42066), (513, 39934), (738, 27759), (779, 26298), (974, 21033), (1026, 19967), (1107, 18506), (1461, 14022), (1558, 13149), (2214, 9253), (2337, 8766), (2922, 7011), (4383, 4674)]