20295568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 41443776

約数和(自身を除く): 21148208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 262, 368, 421, 524, 842, 1048, 1684, 2096, 3013, 3368, 6026, 6736, 9683, 12052, 19366, 24104, 38732, 48208, 55151, 77464, 110302, 154928, 220604, 441208, 882416, 1268473, 2536946, 5073892, 10147784, 20295568]

約数ペア:

[(1, 20295568), (2, 10147784), (4, 5073892), (8, 2536946), (16, 1268473), (23, 882416), (46, 441208), (92, 220604), (131, 154928), (184, 110302), (262, 77464), (368, 55151), (421, 48208), (524, 38732), (842, 24104), (1048, 19366), (1684, 12052), (2096, 9683), (3013, 6736), (3368, 6026)]