20857344

素因数分解:

$2^9\times 3^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 80

約数和(自身を含む): 57222528

約数和(自身を除く): 36365184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 367, 384, 444, 512, 592, 734, 768, 888, 1101, 1184, 1468, 1536, 1776, 2202, 2368, 2936, 3552, 4404, 4736, 5872, 7104, 8808, 9472, 11744, 13579, 14208, 17616, 18944, 23488, 27158, 28416, 35232, 40737, 46976, 54316, 56832, 70464, 81474, 93952, 108632, 140928, 162948, 187904, 217264, 281856, 325896, 434528, 563712, 651792, 869056, 1303584, 1738112, 2607168, 3476224, 5214336, 6952448, 10428672, 20857344]

約数ペア:

[(1, 20857344), (2, 10428672), (3, 6952448), (4, 5214336), (6, 3476224), (8, 2607168), (12, 1738112), (16, 1303584), (24, 869056), (32, 651792), (37, 563712), (48, 434528), (64, 325896), (74, 281856), (96, 217264), (111, 187904), (128, 162948), (148, 140928), (192, 108632), (222, 93952), (256, 81474), (296, 70464), (367, 56832), (384, 54316), (444, 46976), (512, 40737), (592, 35232), (734, 28416), (768, 27158), (888, 23488), (1101, 18944), (1184, 17616), (1468, 14208), (1536, 13579), (1776, 11744), (2202, 9472), (2368, 8808), (2936, 7104), (3552, 5872), (4404, 4736)]