20168868930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13720319}}^1$

素因数の和:13720343

約数の個数: 48

約数和(自身を含む): 56308193280

約数和(自身を除く): 36139324350

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, 13720319, 27440638, 41160957, 68601595, 82321914, 96042233, 137203190, 192084466, 205804785, 288126699, 411609570, 480211165, 576253398, 672295631, 960422330, 1344591262, 1440633495, 2016886893, 2881266990, 3361478155, 4033773786, 6722956310, 10084434465, 20168868930]

約数ペア:

[(1, 20168868930), (2, 10084434465), (3, 6722956310), (5, 4033773786), (6, 3361478155), (7, 2881266990), (10, 2016886893), (14, 1440633495), (15, 1344591262), (21, 960422330), (30, 672295631), (35, 576253398), (42, 480211165), (49, 411609570), (70, 288126699), (98, 205804785), (105, 192084466), (147, 137203190), (210, 96042233), (245, 82321914), (294, 68601595), (490, 41160957), (735, 27440638), (1470, 13720319)]