20549672

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27713368

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 71, 88, 92, 104, 121, 142, 143, 184, 242, 253, 284, 286, 299, 484, 506, 568, 572, 598, 781, 923, 968, 1012, 1144, 1196, 1562, 1573, 1633, 1846, 2024, 2392, 2783, 3124, 3146, 3266, 3289, 3692, 5566, 6248, 6292, 6532, 6578, 7384, 8591, 10153, 11132, 12584, 13064, 13156, 17182, 17963, 20306, 21229, 22264, 26312, 34364, 35926, 36179, 40612, 42458, 68728, 71852, 72358, 81224, 84916, 111683, 143704, 144716, 169832, 197593, 223366, 233519, 289432, 395186, 446732, 467038, 790372, 893464, 934076, 1580744, 1868152, 2568709, 5137418, 10274836, 20549672]

約数ペア:

[(1, 20549672), (2, 10274836), (4, 5137418), (8, 2568709), (11, 1868152), (13, 1580744), (22, 934076), (23, 893464), (26, 790372), (44, 467038), (46, 446732), (52, 395186), (71, 289432), (88, 233519), (92, 223366), (104, 197593), (121, 169832), (142, 144716), (143, 143704), (184, 111683), (242, 84916), (253, 81224), (284, 72358), (286, 71852), (299, 68728), (484, 42458), (506, 40612), (568, 36179), (572, 35926), (598, 34364), (781, 26312), (923, 22264), (968, 21229), (1012, 20306), (1144, 17963), (1196, 17182), (1562, 13156), (1573, 13064), (1633, 12584), (1846, 11132), (2024, 10153), (2392, 8591), (2783, 7384), (3124, 6578), (3146, 6532), (3266, 6292), (3289, 6248), (3692, 5566)]