20271856

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 44495416

約数和(自身を除く): 24223560

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 121, 148, 176, 242, 283, 296, 407, 484, 566, 592, 814, 968, 1132, 1628, 1936, 2264, 3113, 3256, 4477, 4528, 6226, 6512, 8954, 10471, 12452, 17908, 20942, 24904, 34243, 35816, 41884, 49808, 68486, 71632, 83768, 115181, 136972, 167536, 230362, 273944, 460724, 547888, 921448, 1266991, 1842896, 2533982, 5067964, 10135928, 20271856]

約数ペア:

[(1, 20271856), (2, 10135928), (4, 5067964), (8, 2533982), (11, 1842896), (16, 1266991), (22, 921448), (37, 547888), (44, 460724), (74, 273944), (88, 230362), (121, 167536), (148, 136972), (176, 115181), (242, 83768), (283, 71632), (296, 68486), (407, 49808), (484, 41884), (566, 35816), (592, 34243), (814, 24904), (968, 20942), (1132, 17908), (1628, 12452), (1936, 10471), (2264, 8954), (3113, 6512), (3256, 6226), (4477, 4528)]