20327104

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 84

約数和(自身を含む): 49282096

約数和(自身を除く): 28954992

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 157, 224, 238, 272, 289, 314, 448, 476, 544, 578, 628, 952, 1088, 1099, 1156, 1256, 1904, 2023, 2198, 2312, 2512, 2669, 3808, 4046, 4396, 4624, 5024, 5338, 7616, 8092, 8792, 9248, 10048, 10676, 16184, 17584, 18496, 18683, 21352, 32368, 35168, 37366, 42704, 45373, 64736, 70336, 74732, 85408, 90746, 129472, 149464, 170816, 181492, 298928, 317611, 362984, 597856, 635222, 725968, 1195712, 1270444, 1451936, 2540888, 2903872, 5081776, 10163552, 20327104]

約数ペア:

[(1, 20327104), (2, 10163552), (4, 5081776), (7, 2903872), (8, 2540888), (14, 1451936), (16, 1270444), (17, 1195712), (28, 725968), (32, 635222), (34, 597856), (56, 362984), (64, 317611), (68, 298928), (112, 181492), (119, 170816), (136, 149464), (157, 129472), (224, 90746), (238, 85408), (272, 74732), (289, 70336), (314, 64736), (448, 45373), (476, 42704), (544, 37366), (578, 35168), (628, 32368), (952, 21352), (1088, 18683), (1099, 18496), (1156, 17584), (1256, 16184), (1904, 10676), (2023, 10048), (2198, 9248), (2312, 8792), (2512, 8092), (2669, 7616), (3808, 5338), (4046, 5024), (4396, 4624)]