20504448

素因数分解:

$2^7\times 3^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 64260000

約数和(自身を除く): 43755552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 272, 288, 306, 349, 384, 408, 432, 459, 544, 576, 612, 698, 816, 864, 918, 1047, 1088, 1152, 1224, 1396, 1632, 1728, 1836, 2094, 2176, 2448, 2792, 3141, 3264, 3456, 3672, 4188, 4896, 5584, 5933, 6282, 6528, 7344, 8376, 9423, 9792, 11168, 11866, 12564, 14688, 16752, 17799, 18846, 19584, 22336, 23732, 25128, 29376, 33504, 35598, 37692, 44672, 47464, 50256, 53397, 58752, 67008, 71196, 75384, 94928, 100512, 106794, 134016, 142392, 150768, 160191, 189856, 201024, 213588, 284784, 301536, 320382, 379712, 402048, 427176, 569568, 603072, 640764, 759424, 854352, 1139136, 1206144, 1281528, 1708704, 2278272, 2563056, 3417408, 5126112, 6834816, 10252224, 20504448]

約数ペア:

[(1, 20504448), (2, 10252224), (3, 6834816), (4, 5126112), (6, 3417408), (8, 2563056), (9, 2278272), (12, 1708704), (16, 1281528), (17, 1206144), (18, 1139136), (24, 854352), (27, 759424), (32, 640764), (34, 603072), (36, 569568), (48, 427176), (51, 402048), (54, 379712), (64, 320382), (68, 301536), (72, 284784), (96, 213588), (102, 201024), (108, 189856), (128, 160191), (136, 150768), (144, 142392), (153, 134016), (192, 106794), (204, 100512), (216, 94928), (272, 75384), (288, 71196), (306, 67008), (349, 58752), (384, 53397), (408, 50256), (432, 47464), (459, 44672), (544, 37692), (576, 35598), (612, 33504), (698, 29376), (816, 25128), (864, 23732), (918, 22336), (1047, 19584), (1088, 18846), (1152, 17799), (1224, 16752), (1396, 14688), (1632, 12564), (1728, 11866), (1836, 11168), (2094, 9792), (2176, 9423), (2448, 8376), (2792, 7344), (3141, 6528), (3264, 6282), (3456, 5933), (3672, 5584), (4188, 4896)]