20275112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25689688

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 479, 481, 572, 814, 958, 962, 1144, 1628, 1916, 1924, 3256, 3832, 3848, 5269, 5291, 6227, 10538, 10582, 12454, 17723, 21076, 21164, 24908, 35446, 42152, 42328, 49816, 68497, 70892, 136994, 141784, 194953, 230399, 273988, 389906, 460798, 547976, 779812, 921596, 1559624, 1843192, 2534389, 5068778, 10137556, 20275112]

約数ペア:

[(1, 20275112), (2, 10137556), (4, 5068778), (8, 2534389), (11, 1843192), (13, 1559624), (22, 921596), (26, 779812), (37, 547976), (44, 460798), (52, 389906), (74, 273988), (88, 230399), (104, 194953), (143, 141784), (148, 136994), (286, 70892), (296, 68497), (407, 49816), (479, 42328), (481, 42152), (572, 35446), (814, 24908), (958, 21164), (962, 21076), (1144, 17723), (1628, 12454), (1916, 10582), (1924, 10538), (3256, 6227), (3832, 5291), (3848, 5269)]