20021144

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 46698960

約数和(自身を除く): 26677816

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 43, 44, 52, 74, 86, 88, 104, 121, 143, 148, 172, 242, 286, 296, 344, 407, 473, 481, 484, 559, 572, 814, 946, 962, 968, 1118, 1144, 1573, 1591, 1628, 1892, 1924, 2236, 3146, 3182, 3256, 3784, 3848, 4472, 4477, 5203, 5291, 6149, 6292, 6364, 8954, 10406, 10582, 12298, 12584, 12728, 17501, 17908, 20683, 20812, 21164, 24596, 35002, 35816, 41366, 41624, 42328, 49192, 58201, 67639, 70004, 82732, 116402, 135278, 140008, 165464, 192511, 227513, 232804, 270556, 385022, 455026, 465608, 541112, 770044, 910052, 1540088, 1820104, 2502643, 5005286, 10010572, 20021144]

約数ペア:

[(1, 20021144), (2, 10010572), (4, 5005286), (8, 2502643), (11, 1820104), (13, 1540088), (22, 910052), (26, 770044), (37, 541112), (43, 465608), (44, 455026), (52, 385022), (74, 270556), (86, 232804), (88, 227513), (104, 192511), (121, 165464), (143, 140008), (148, 135278), (172, 116402), (242, 82732), (286, 70004), (296, 67639), (344, 58201), (407, 49192), (473, 42328), (481, 41624), (484, 41366), (559, 35816), (572, 35002), (814, 24596), (946, 21164), (962, 20812), (968, 20683), (1118, 17908), (1144, 17501), (1573, 12728), (1591, 12584), (1628, 12298), (1892, 10582), (1924, 10406), (2236, 8954), (3146, 6364), (3182, 6292), (3256, 6149), (3784, 5291), (3848, 5203), (4472, 4477)]