20153832057

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{2269}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 30973696000

約数和(自身を除く): 10819863943

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 409, 1143, 1227, 2269, 2413, 3681, 6807, 7239, 7771, 20421, 21717, 23313, 43111, 51943, 69939, 129333, 155829, 288163, 387999, 467487, 864489, 928021, 986917, 2593467, 2784063, 2960751, 5475097, 8352189, 8882253, 16425291, 17632399, 49275873, 52897197, 117858667, 158691591, 353576001, 1060728003, 2239314673, 6717944019, 20153832057]

約数ペア:

[(1, 20153832057), (3, 6717944019), (9, 2239314673), (19, 1060728003), (57, 353576001), (127, 158691591), (171, 117858667), (381, 52897197), (409, 49275873), (1143, 17632399), (1227, 16425291), (2269, 8882253), (2413, 8352189), (3681, 5475097), (6807, 2960751), (7239, 2784063), (7771, 2593467), (20421, 986917), (21717, 928021), (23313, 864489), (43111, 467487), (51943, 387999), (69939, 288163), (129333, 155829)]