20215686972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{196643}}^1$

素因数の和:197322

約数の個数: 48

約数和(自身を含む): 50875735680

約数和(自身を除く): 30660048708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 659, 1318, 1977, 2636, 3954, 7908, 8567, 17134, 25701, 34268, 51402, 102804, 196643, 393286, 589929, 786572, 1179858, 2359716, 2556359, 5112718, 7669077, 10225436, 15338154, 30676308, 129587737, 259175474, 388763211, 518350948, 777526422, 1555052844, 1684640581, 3369281162, 5053921743, 6738562324, 10107843486, 20215686972]

約数ペア:

[(1, 20215686972), (2, 10107843486), (3, 6738562324), (4, 5053921743), (6, 3369281162), (12, 1684640581), (13, 1555052844), (26, 777526422), (39, 518350948), (52, 388763211), (78, 259175474), (156, 129587737), (659, 30676308), (1318, 15338154), (1977, 10225436), (2636, 7669077), (3954, 5112718), (7908, 2556359), (8567, 2359716), (17134, 1179858), (25701, 786572), (34268, 589929), (51402, 393286), (102804, 196643)]