20210739998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 32907409920

約数和(自身を除く): 12696669922

約数列:

[1, 2, 23, 41, 46, 82, 131, 179, 262, 358, 457, 914, 943, 1886, 3013, 4117, 5371, 6026, 7339, 8234, 10511, 10742, 14678, 18737, 21022, 23449, 37474, 46898, 59867, 81803, 119734, 123533, 163606, 168797, 247066, 337594, 430951, 539327, 861902, 961409, 1078654, 1376941, 1881469, 1922818, 2454547, 2753882, 3353923, 3762938, 4909094, 6707846, 10716193, 21432386, 22112407, 44224814, 56454581, 77140229, 112909162, 154280458, 246472439, 439363913, 492944878, 878727826, 10105369999, 20210739998]

約数ペア:

[(1, 20210739998), (2, 10105369999), (23, 878727826), (41, 492944878), (46, 439363913), (82, 246472439), (131, 154280458), (179, 112909162), (262, 77140229), (358, 56454581), (457, 44224814), (914, 22112407), (943, 21432386), (1886, 10716193), (3013, 6707846), (4117, 4909094), (5371, 3762938), (6026, 3353923), (7339, 2753882), (8234, 2454547), (10511, 1922818), (10742, 1881469), (14678, 1376941), (18737, 1078654), (21022, 961409), (23449, 861902), (37474, 539327), (46898, 430951), (59867, 337594), (81803, 247066), (119734, 168797), (123533, 163606)]