20235723008

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{20807}}^1$

素因数の和:20983

約数の個数: 72

約数和(自身を含む): 42106236480

約数和(自身を除く): 21870513472

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 131, 232, 256, 262, 464, 524, 928, 1048, 1856, 2096, 3712, 3799, 4192, 7424, 7598, 8384, 15196, 16768, 20807, 30392, 33536, 41614, 60784, 83228, 121568, 166456, 243136, 332912, 486272, 603403, 665824, 972544, 1206806, 1331648, 2413612, 2663296, 2725717, 4827224, 5326592, 5451434, 9654448, 10902868, 19308896, 21805736, 38617792, 43611472, 77235584, 79045793, 87222944, 154471168, 158091586, 174445888, 316183172, 348891776, 632366344, 697783552, 1264732688, 2529465376, 5058930752, 10117861504, 20235723008]

約数ペア:

[(1, 20235723008), (2, 10117861504), (4, 5058930752), (8, 2529465376), (16, 1264732688), (29, 697783552), (32, 632366344), (58, 348891776), (64, 316183172), (116, 174445888), (128, 158091586), (131, 154471168), (232, 87222944), (256, 79045793), (262, 77235584), (464, 43611472), (524, 38617792), (928, 21805736), (1048, 19308896), (1856, 10902868), (2096, 9654448), (3712, 5451434), (3799, 5326592), (4192, 4827224), (7424, 2725717), (7598, 2663296), (8384, 2413612), (15196, 1331648), (16768, 1206806), (20807, 972544), (30392, 665824), (33536, 603403), (41614, 486272), (60784, 332912), (83228, 243136), (121568, 166456)]