20512667704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{7459}}^1$

素因数の和:7832

約数の個数: 64

約数和(自身を含む): 41436122400

約数和(自身を除く): 20923454696

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 277, 292, 554, 584, 1108, 1241, 2216, 2482, 4709, 4964, 7459, 9418, 9928, 14918, 18836, 20221, 29836, 37672, 40442, 59672, 80884, 126803, 161768, 253606, 343757, 507212, 544507, 687514, 1014424, 1089014, 1375028, 2066143, 2178028, 2750056, 4132286, 4356056, 8264572, 9256619, 16529144, 18513238, 35124431, 37026476, 70248862, 74052952, 140497724, 150828439, 280995448, 301656878, 603313756, 1206627512, 2564083463, 5128166926, 10256333852, 20512667704]

約数ペア:

[(1, 20512667704), (2, 10256333852), (4, 5128166926), (8, 2564083463), (17, 1206627512), (34, 603313756), (68, 301656878), (73, 280995448), (136, 150828439), (146, 140497724), (277, 74052952), (292, 70248862), (554, 37026476), (584, 35124431), (1108, 18513238), (1241, 16529144), (2216, 9256619), (2482, 8264572), (4709, 4356056), (4964, 4132286), (7459, 2750056), (9418, 2178028), (9928, 2066143), (14918, 1375028), (18836, 1089014), (20221, 1014424), (29836, 687514), (37672, 544507), (40442, 507212), (59672, 343757), (80884, 253606), (126803, 161768)]