20311298

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36180864

約数和(自身を除く): 15869566

約数列:

[1, 2, 7, 14, 37, 74, 113, 226, 259, 347, 518, 694, 791, 1582, 2429, 4181, 4858, 8362, 12839, 25678, 29267, 39211, 58534, 78422, 89873, 179746, 274477, 548954, 1450807, 2901614, 10155649, 20311298]

約数ペア:

[(1, 20311298), (2, 10155649), (7, 2901614), (14, 1450807), (37, 548954), (74, 274477), (113, 179746), (226, 89873), (259, 78422), (347, 58534), (518, 39211), (694, 29267), (791, 25678), (1582, 12839), (2429, 8362), (4181, 4858)]