20212561143

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1\times {\mathrm{1747}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 30598320480

約数和(自身を除く): 10385759337

約数列:

[1, 3, 9, 29, 87, 97, 261, 291, 457, 873, 1371, 1747, 2813, 4113, 5241, 8439, 13253, 15723, 25317, 39759, 44329, 50663, 119277, 132987, 151989, 169459, 398961, 455967, 508377, 798379, 1285541, 1525131, 2395137, 3856623, 4914311, 7185411, 11569869, 14742933, 23152991, 44228799, 69458973, 77442763, 208376919, 232328289, 696984867, 2245840127, 6737520381, 20212561143]

約数ペア:

[(1, 20212561143), (3, 6737520381), (9, 2245840127), (29, 696984867), (87, 232328289), (97, 208376919), (261, 77442763), (291, 69458973), (457, 44228799), (873, 23152991), (1371, 14742933), (1747, 11569869), (2813, 7185411), (4113, 4914311), (5241, 3856623), (8439, 2395137), (13253, 1525131), (15723, 1285541), (25317, 798379), (39759, 508377), (44329, 455967), (50663, 398961), (119277, 169459), (132987, 151989)]