20294204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 43921920

約数和(自身を除く): 23627716

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1031, 1036, 1406, 2062, 2812, 4124, 4921, 7217, 9842, 14434, 19589, 19684, 28868, 38147, 39178, 76294, 78356, 137123, 152588, 267029, 274246, 534058, 548492, 724793, 1068116, 1449586, 2899172, 5073551, 10147102, 20294204]

約数ペア:

[(1, 20294204), (2, 10147102), (4, 5073551), (7, 2899172), (14, 1449586), (19, 1068116), (28, 724793), (37, 548492), (38, 534058), (74, 274246), (76, 267029), (133, 152588), (148, 137123), (259, 78356), (266, 76294), (518, 39178), (532, 38147), (703, 28868), (1031, 19684), (1036, 19589), (1406, 14434), (2062, 9842), (2812, 7217), (4124, 4921)]