20029440

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 112

約数和(自身を含む): 64483488

約数和(自身を除く): 44454048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 163, 192, 240, 256, 320, 326, 384, 480, 489, 512, 640, 652, 768, 815, 960, 978, 1024, 1280, 1304, 1536, 1630, 1920, 1956, 2048, 2445, 2560, 2608, 3072, 3260, 3840, 3912, 4096, 4890, 5120, 5216, 6144, 6520, 7680, 7824, 8192, 9780, 10240, 10432, 12288, 13040, 15360, 15648, 19560, 20480, 20864, 24576, 26080, 30720, 31296, 39120, 40960, 41728, 52160, 61440, 62592, 78240, 83456, 104320, 122880, 125184, 156480, 166912, 208640, 250368, 312960, 333824, 417280, 500736, 625920, 667648, 834560, 1001472, 1251840, 1335296, 1669120, 2002944, 2503680, 3338240, 4005888, 5007360, 6676480, 10014720, 20029440]

約数ペア:

[(1, 20029440), (2, 10014720), (3, 6676480), (4, 5007360), (5, 4005888), (6, 3338240), (8, 2503680), (10, 2002944), (12, 1669120), (15, 1335296), (16, 1251840), (20, 1001472), (24, 834560), (30, 667648), (32, 625920), (40, 500736), (48, 417280), (60, 333824), (64, 312960), (80, 250368), (96, 208640), (120, 166912), (128, 156480), (160, 125184), (163, 122880), (192, 104320), (240, 83456), (256, 78240), (320, 62592), (326, 61440), (384, 52160), (480, 41728), (489, 40960), (512, 39120), (640, 31296), (652, 30720), (768, 26080), (815, 24576), (960, 20864), (978, 20480), (1024, 19560), (1280, 15648), (1304, 15360), (1536, 13040), (1630, 12288), (1920, 10432), (1956, 10240), (2048, 9780), (2445, 8192), (2560, 7824), (2608, 7680), (3072, 6520), (3260, 6144), (3840, 5216), (3912, 5120), (4096, 4890)]