16820967580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1\times {\mathrm{13177}}^1$

素因数の和:14038

約数の個数: 48

約数和(自身を含む): 35798827680

約数和(自身を除く): 18977860100

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 769, 830, 1538, 1660, 3076, 3845, 7690, 13177, 15380, 26354, 52708, 63827, 65885, 127654, 131770, 255308, 263540, 319135, 638270, 1093691, 1276540, 2187382, 4374764, 5468455, 10133113, 10936910, 20266226, 21873820, 40532452, 50665565, 101331130, 202662260, 841048379, 1682096758, 3364193516, 4205241895, 8410483790, 16820967580]

約数ペア:

[(1, 16820967580), (2, 8410483790), (4, 4205241895), (5, 3364193516), (10, 1682096758), (20, 841048379), (83, 202662260), (166, 101331130), (332, 50665565), (415, 40532452), (769, 21873820), (830, 20266226), (1538, 10936910), (1660, 10133113), (3076, 5468455), (3845, 4374764), (7690, 2187382), (13177, 1276540), (15380, 1093691), (26354, 638270), (52708, 319135), (63827, 263540), (65885, 255308), (127654, 131770)]