20120851908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{94747}}^1$

素因数の和:95121

約数の個数: 72

約数和(自身を含む): 54008633952

約数和(自身を除く): 33887782044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 347, 612, 694, 1041, 1388, 2082, 3123, 4164, 5899, 6246, 11798, 12492, 17697, 23596, 35394, 53091, 70788, 94747, 106182, 189494, 212364, 284241, 378988, 568482, 852723, 1136964, 1610699, 1705446, 3221398, 3410892, 4832097, 6442796, 9664194, 14496291, 19328388, 28992582, 32877209, 57985164, 65754418, 98631627, 131508836, 197263254, 295894881, 394526508, 558912553, 591789762, 1117825106, 1183579524, 1676737659, 2235650212, 3353475318, 5030212977, 6706950636, 10060425954, 20120851908]

約数ペア:

[(1, 20120851908), (2, 10060425954), (3, 6706950636), (4, 5030212977), (6, 3353475318), (9, 2235650212), (12, 1676737659), (17, 1183579524), (18, 1117825106), (34, 591789762), (36, 558912553), (51, 394526508), (68, 295894881), (102, 197263254), (153, 131508836), (204, 98631627), (306, 65754418), (347, 57985164), (612, 32877209), (694, 28992582), (1041, 19328388), (1388, 14496291), (2082, 9664194), (3123, 6442796), (4164, 4832097), (5899, 3410892), (6246, 3221398), (11798, 1705446), (12492, 1610699), (17697, 1136964), (23596, 852723), (35394, 568482), (53091, 378988), (70788, 284241), (94747, 212364), (106182, 189494)]