20661569344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{21803}}^1$

素因数の和:21912

約数の個数: 112

約数和(自身を含む): 47451434688

約数和(自身を除く): 26789865344

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 67, 68, 104, 134, 136, 208, 221, 268, 272, 416, 442, 536, 544, 832, 871, 884, 1072, 1088, 1139, 1742, 1768, 2144, 2278, 3484, 3536, 4288, 4556, 6968, 7072, 9112, 13936, 14144, 14807, 18224, 21803, 27872, 29614, 36448, 43606, 55744, 59228, 72896, 87212, 118456, 174424, 236912, 283439, 348848, 370651, 473824, 566878, 697696, 741302, 947648, 1133756, 1395392, 1460801, 1482604, 2267512, 2921602, 2965208, 4535024, 4818463, 5843204, 5930416, 9070048, 9636926, 11686408, 11860832, 18140096, 18990413, 19273852, 23372816, 23721664, 24833617, 37980826, 38547704, 46745632, 49667234, 75961652, 77095408, 93491264, 99334468, 151923304, 154190816, 198668936, 303846608, 308381632, 322837021, 397337872, 607693216, 645674042, 794675744, 1215386432, 1291348084, 1589351488, 2582696168, 5165392336, 10330784672, 20661569344]

約数ペア:

[(1, 20661569344), (2, 10330784672), (4, 5165392336), (8, 2582696168), (13, 1589351488), (16, 1291348084), (17, 1215386432), (26, 794675744), (32, 645674042), (34, 607693216), (52, 397337872), (64, 322837021), (67, 308381632), (68, 303846608), (104, 198668936), (134, 154190816), (136, 151923304), (208, 99334468), (221, 93491264), (268, 77095408), (272, 75961652), (416, 49667234), (442, 46745632), (536, 38547704), (544, 37980826), (832, 24833617), (871, 23721664), (884, 23372816), (1072, 19273852), (1088, 18990413), (1139, 18140096), (1742, 11860832), (1768, 11686408), (2144, 9636926), (2278, 9070048), (3484, 5930416), (3536, 5843204), (4288, 4818463), (4556, 4535024), (6968, 2965208), (7072, 2921602), (9112, 2267512), (13936, 1482604), (14144, 1460801), (14807, 1395392), (18224, 1133756), (21803, 947648), (27872, 741302), (29614, 697696), (36448, 566878), (43606, 473824), (55744, 370651), (59228, 348848), (72896, 283439), (87212, 236912), (118456, 174424)]