20167167420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{321031}}^1$

素因数の和:321395

約数の個数: 72

約数和(自身を含む): 61349215200

約数和(自身を除く): 41182047780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6282, 6980, 10470, 12564, 15705, 20940, 31410, 62820, 321031, 642062, 963093, 1284124, 1605155, 1926186, 2889279, 3210310, 3852372, 4815465, 5778558, 6420620, 9630930, 11557116, 14446395, 19261860, 28892790, 57785580, 112039819, 224079638, 336119457, 448159276, 560199095, 672238914, 1008358371, 1120398190, 1344477828, 1680597285, 2016716742, 2240796380, 3361194570, 4033433484, 5041791855, 6722389140, 10083583710, 20167167420]

約数ペア:

[(1, 20167167420), (2, 10083583710), (3, 6722389140), (4, 5041791855), (5, 4033433484), (6, 3361194570), (9, 2240796380), (10, 2016716742), (12, 1680597285), (15, 1344477828), (18, 1120398190), (20, 1008358371), (30, 672238914), (36, 560199095), (45, 448159276), (60, 336119457), (90, 224079638), (180, 112039819), (349, 57785580), (698, 28892790), (1047, 19261860), (1396, 14446395), (1745, 11557116), (2094, 9630930), (3141, 6420620), (3490, 5778558), (4188, 4815465), (5235, 3852372), (6282, 3210310), (6980, 2889279), (10470, 1926186), (12564, 1605155), (15705, 1284124), (20940, 963093), (31410, 642062), (62820, 321031)]