20668789080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{69761}}^1$

素因数の和:70601

約数の個数: 96

約数和(自身を含む): 67256148960

約数和(自身を除く): 46587359880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 823, 1646, 2469, 3292, 4115, 4938, 6584, 7407, 8230, 9876, 12345, 14814, 16460, 19752, 24690, 29628, 32920, 37035, 49380, 59256, 69761, 74070, 98760, 139522, 148140, 209283, 279044, 296280, 348805, 418566, 558088, 627849, 697610, 837132, 1046415, 1255698, 1395220, 1674264, 2092830, 2511396, 2790440, 3139245, 4185660, 5022792, 6278490, 8371320, 12556980, 25113960, 57413303, 114826606, 172239909, 229653212, 287066515, 344479818, 459306424, 516719727, 574133030, 688959636, 861199545, 1033439454, 1148266060, 1377919272, 1722399090, 2066878908, 2296532120, 2583598635, 3444798180, 4133757816, 5167197270, 6889596360, 10334394540, 20668789080]

約数ペア:

[(1, 20668789080), (2, 10334394540), (3, 6889596360), (4, 5167197270), (5, 4133757816), (6, 3444798180), (8, 2583598635), (9, 2296532120), (10, 2066878908), (12, 1722399090), (15, 1377919272), (18, 1148266060), (20, 1033439454), (24, 861199545), (30, 688959636), (36, 574133030), (40, 516719727), (45, 459306424), (60, 344479818), (72, 287066515), (90, 229653212), (120, 172239909), (180, 114826606), (360, 57413303), (823, 25113960), (1646, 12556980), (2469, 8371320), (3292, 6278490), (4115, 5022792), (4938, 4185660), (6584, 3139245), (7407, 2790440), (8230, 2511396), (9876, 2092830), (12345, 1674264), (14814, 1395220), (16460, 1255698), (19752, 1046415), (24690, 837132), (29628, 697610), (32920, 627849), (37035, 558088), (49380, 418566), (59256, 348805), (69761, 296280), (74070, 279044), (98760, 209283), (139522, 148140)]