20580453538

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{839}}^1$

素因数の和:980

約数の個数: 72

約数和(自身を含む): 34832367360

約数和(自身を除く): 14251913822

約数列:

[1, 2, 17, 31, 34, 37, 62, 74, 289, 527, 578, 629, 839, 1054, 1147, 1258, 1369, 1678, 2294, 2738, 8959, 10693, 14263, 17918, 19499, 21386, 23273, 26009, 28526, 31043, 38998, 42439, 46546, 52018, 62086, 84878, 242471, 331483, 395641, 442153, 484942, 527731, 662966, 721463, 791282, 884306, 962333, 1055462, 1148591, 1442926, 1924666, 2297182, 7516601, 8971427, 12264871, 15033202, 16359661, 17942854, 19526047, 24529742, 32719322, 35606321, 39052094, 71212642, 278114237, 331942799, 556228474, 605307457, 663885598, 1210614914, 10290226769, 20580453538]

約数ペア:

[(1, 20580453538), (2, 10290226769), (17, 1210614914), (31, 663885598), (34, 605307457), (37, 556228474), (62, 331942799), (74, 278114237), (289, 71212642), (527, 39052094), (578, 35606321), (629, 32719322), (839, 24529742), (1054, 19526047), (1147, 17942854), (1258, 16359661), (1369, 15033202), (1678, 12264871), (2294, 8971427), (2738, 7516601), (8959, 2297182), (10693, 1924666), (14263, 1442926), (17918, 1148591), (19499, 1055462), (21386, 962333), (23273, 884306), (26009, 791282), (28526, 721463), (31043, 662966), (38998, 527731), (42439, 484942), (46546, 442153), (52018, 395641), (62086, 331483), (84878, 242471)]