20078049390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13658537}}^1$

素因数の和:13658561

約数の個数: 48

約数和(自身を含む): 56054639952

約数和(自身を除く): 35976590562

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13658537, 27317074, 40975611, 68292685, 81951222, 95609759, 136585370, 191219518, 204878055, 286829277, 409756110, 478048795, 573658554, 669268313, 956097590, 1338536626, 1434146385, 2007804939, 2868292770, 3346341565, 4015609878, 6692683130, 10039024695, 20078049390]

約数ペア:

[(1, 20078049390), (2, 10039024695), (3, 6692683130), (5, 4015609878), (6, 3346341565), (7, 2868292770), (10, 2007804939), (14, 1434146385), (15, 1338536626), (21, 956097590), (30, 669268313), (35, 573658554), (42, 478048795), (49, 409756110), (70, 286829277), (98, 204878055), (105, 191219518), (147, 136585370), (210, 95609759), (245, 81951222), (294, 68292685), (490, 40975611), (735, 27317074), (1470, 13658537)]