20582656

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 44040024

約数和(自身を除く): 23457368

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 53, 64, 74, 82, 106, 128, 148, 164, 212, 256, 296, 328, 424, 592, 656, 848, 1184, 1312, 1517, 1696, 1961, 2173, 2368, 2624, 3034, 3392, 3922, 4346, 4736, 5248, 6068, 6784, 7844, 8692, 9472, 10496, 12136, 13568, 15688, 17384, 24272, 31376, 34768, 48544, 62752, 69536, 80401, 97088, 125504, 139072, 160802, 194176, 251008, 278144, 321604, 388352, 502016, 556288, 643208, 1286416, 2572832, 5145664, 10291328, 20582656]

約数ペア:

[(1, 20582656), (2, 10291328), (4, 5145664), (8, 2572832), (16, 1286416), (32, 643208), (37, 556288), (41, 502016), (53, 388352), (64, 321604), (74, 278144), (82, 251008), (106, 194176), (128, 160802), (148, 139072), (164, 125504), (212, 97088), (256, 80401), (296, 69536), (328, 62752), (424, 48544), (592, 34768), (656, 31376), (848, 24272), (1184, 17384), (1312, 15688), (1517, 13568), (1696, 12136), (1961, 10496), (2173, 9472), (2368, 8692), (2624, 7844), (3034, 6784), (3392, 6068), (3922, 5248), (4346, 4736)]