20270080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 88

約数和(自身を含む): 50405328

約数和(自身を除く): 30135248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 107, 128, 148, 160, 185, 214, 256, 296, 320, 370, 428, 512, 535, 592, 640, 740, 856, 1024, 1070, 1184, 1280, 1480, 1712, 2140, 2368, 2560, 2960, 3424, 3959, 4280, 4736, 5120, 5920, 6848, 7918, 8560, 9472, 11840, 13696, 15836, 17120, 18944, 19795, 23680, 27392, 31672, 34240, 37888, 39590, 47360, 54784, 63344, 68480, 79180, 94720, 109568, 126688, 136960, 158360, 189440, 253376, 273920, 316720, 506752, 547840, 633440, 1013504, 1266880, 2027008, 2533760, 4054016, 5067520, 10135040, 20270080]

約数ペア:

[(1, 20270080), (2, 10135040), (4, 5067520), (5, 4054016), (8, 2533760), (10, 2027008), (16, 1266880), (20, 1013504), (32, 633440), (37, 547840), (40, 506752), (64, 316720), (74, 273920), (80, 253376), (107, 189440), (128, 158360), (148, 136960), (160, 126688), (185, 109568), (214, 94720), (256, 79180), (296, 68480), (320, 63344), (370, 54784), (428, 47360), (512, 39590), (535, 37888), (592, 34240), (640, 31672), (740, 27392), (856, 23680), (1024, 19795), (1070, 18944), (1184, 17120), (1280, 15836), (1480, 13696), (1712, 11840), (2140, 9472), (2368, 8560), (2560, 7918), (2960, 6848), (3424, 5920), (3959, 5120), (4280, 4736)]