16926780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21701}}^1$

素因数の和:21726

約数の個数: 48

約数和(自身を含む): 51043104

約数和(自身を除く): 34116324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21701, 43402, 65103, 86804, 108505, 130206, 217010, 260412, 282113, 325515, 434020, 564226, 651030, 846339, 1128452, 1302060, 1410565, 1692678, 2821130, 3385356, 4231695, 5642260, 8463390, 16926780]

約数ペア:

[(1, 16926780), (2, 8463390), (3, 5642260), (4, 4231695), (5, 3385356), (6, 2821130), (10, 1692678), (12, 1410565), (13, 1302060), (15, 1128452), (20, 846339), (26, 651030), (30, 564226), (39, 434020), (52, 325515), (60, 282113), (65, 260412), (78, 217010), (130, 130206), (156, 108505), (195, 86804), (260, 65103), (390, 43402), (780, 21701)]