20164579407

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{122963}}^1$

素因数の和:123132

約数の個数: 48

約数和(自身を含む): 35295586560

約数和(自身を除く): 15131007153

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 2603, 2877, 7809, 8631, 18221, 23427, 54663, 122963, 163989, 368889, 860741, 1106667, 2336297, 2582223, 7008891, 7746669, 16354079, 16845931, 21026673, 49062237, 50537793, 117921517, 147186711, 151613379, 320072689, 353764551, 960218067, 1061293653, 2240508823, 2880654201, 6721526469, 20164579407]

約数ペア:

[(1, 20164579407), (3, 6721526469), (7, 2880654201), (9, 2240508823), (19, 1061293653), (21, 960218067), (57, 353764551), (63, 320072689), (133, 151613379), (137, 147186711), (171, 117921517), (399, 50537793), (411, 49062237), (959, 21026673), (1197, 16845931), (1233, 16354079), (2603, 7746669), (2877, 7008891), (7809, 2582223), (8631, 2336297), (18221, 1106667), (23427, 860741), (54663, 368889), (122963, 163989)]