20802798

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 51870720

約数和(自身を除く): 31067922

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 43, 51, 54, 62, 86, 93, 102, 129, 153, 186, 258, 279, 289, 306, 387, 459, 527, 558, 578, 731, 774, 837, 867, 918, 1054, 1161, 1333, 1462, 1581, 1674, 1734, 2193, 2322, 2601, 2666, 3162, 3999, 4386, 4743, 5202, 6579, 7803, 7998, 8959, 9486, 11997, 12427, 13158, 14229, 15606, 17918, 19737, 22661, 23994, 24854, 26877, 28458, 35991, 37281, 39474, 45322, 53754, 67983, 71982, 74562, 80631, 111843, 135966, 161262, 203949, 223686, 241893, 335529, 385237, 407898, 483786, 611847, 671058, 770474, 1155711, 1223694, 2311422, 3467133, 6934266, 10401399, 20802798]

約数ペア:

[(1, 20802798), (2, 10401399), (3, 6934266), (6, 3467133), (9, 2311422), (17, 1223694), (18, 1155711), (27, 770474), (31, 671058), (34, 611847), (43, 483786), (51, 407898), (54, 385237), (62, 335529), (86, 241893), (93, 223686), (102, 203949), (129, 161262), (153, 135966), (186, 111843), (258, 80631), (279, 74562), (289, 71982), (306, 67983), (387, 53754), (459, 45322), (527, 39474), (558, 37281), (578, 35991), (731, 28458), (774, 26877), (837, 24854), (867, 23994), (918, 22661), (1054, 19737), (1161, 17918), (1333, 15606), (1462, 14229), (1581, 13158), (1674, 12427), (1734, 11997), (2193, 9486), (2322, 8959), (2601, 7998), (2666, 7803), (3162, 6579), (3999, 5202), (4386, 4743)]