20172944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1879}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 43360320

約数和(自身を除く): 23187376

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1879, 2684, 3758, 5368, 7516, 10736, 15032, 20669, 30064, 41338, 82676, 114619, 165352, 229238, 330704, 458476, 916952, 1260809, 1833904, 2521618, 5043236, 10086472, 20172944]

約数ペア:

[(1, 20172944), (2, 10086472), (4, 5043236), (8, 2521618), (11, 1833904), (16, 1260809), (22, 916952), (44, 458476), (61, 330704), (88, 229238), (122, 165352), (176, 114619), (244, 82676), (488, 41338), (671, 30064), (976, 20669), (1342, 15032), (1879, 10736), (2684, 7516), (3758, 5368)]