20238439684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{364289}}^1$

素因数の和:364372

約数の個数: 48

約数和(自身を含む): 40392475200

約数和(自身を除く): 20154035516

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1462, 1634, 2924, 3268, 13889, 27778, 55556, 364289, 728578, 1457156, 6192913, 6921491, 12385826, 13842982, 15664427, 24771652, 27685964, 31328854, 62657708, 117665347, 235330694, 266295259, 297624113, 470661388, 532590518, 595248226, 1065181036, 1190496452, 5059609921, 10119219842, 20238439684]

約数ペア:

[(1, 20238439684), (2, 10119219842), (4, 5059609921), (17, 1190496452), (19, 1065181036), (34, 595248226), (38, 532590518), (43, 470661388), (68, 297624113), (76, 266295259), (86, 235330694), (172, 117665347), (323, 62657708), (646, 31328854), (731, 27685964), (817, 24771652), (1292, 15664427), (1462, 13842982), (1634, 12385826), (2924, 6921491), (3268, 6192913), (13889, 1457156), (27778, 728578), (55556, 364289)]