20402096

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 47892768

約数和(自身を除く): 27490672

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 241, 286, 296, 407, 481, 482, 572, 592, 814, 962, 964, 1144, 1628, 1924, 1928, 2288, 2651, 3133, 3256, 3848, 3856, 5291, 5302, 6266, 6512, 7696, 8917, 10582, 10604, 12532, 17834, 21164, 21208, 25064, 34463, 35668, 42328, 42416, 50128, 68926, 71336, 84656, 98087, 115921, 137852, 142672, 196174, 231842, 275704, 392348, 463684, 551408, 784696, 927368, 1275131, 1569392, 1854736, 2550262, 5100524, 10201048, 20402096]

約数ペア:

[(1, 20402096), (2, 10201048), (4, 5100524), (8, 2550262), (11, 1854736), (13, 1569392), (16, 1275131), (22, 927368), (26, 784696), (37, 551408), (44, 463684), (52, 392348), (74, 275704), (88, 231842), (104, 196174), (143, 142672), (148, 137852), (176, 115921), (208, 98087), (241, 84656), (286, 71336), (296, 68926), (407, 50128), (481, 42416), (482, 42328), (572, 35668), (592, 34463), (814, 25064), (962, 21208), (964, 21164), (1144, 17834), (1628, 12532), (1924, 10604), (1928, 10582), (2288, 8917), (2651, 7696), (3133, 6512), (3256, 6266), (3848, 5302), (3856, 5291)]