20176491860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20588257}}^1$

素因数の和:20588280

約数の個数: 36

約数和(自身を含む): 49288289652

約数和(自身を除く): 29111797792

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20588257, 41176514, 82353028, 102941285, 144117799, 205882570, 288235598, 411765140, 576471196, 720588995, 1008824593, 1441177990, 2017649186, 2882355980, 4035298372, 5044122965, 10088245930, 20176491860]

約数ペア:

[(1, 20176491860), (2, 10088245930), (4, 5044122965), (5, 4035298372), (7, 2882355980), (10, 2017649186), (14, 1441177990), (20, 1008824593), (28, 720588995), (35, 576471196), (49, 411765140), (70, 288235598), (98, 205882570), (140, 144117799), (196, 102941285), (245, 82353028), (490, 41176514), (980, 20588257)]