20178880038

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{235663}}^1$

素因数の和:235809

約数の個数: 48

約数和(自身を含む): 44998626816

約数和(自身を除く): 24819746778

約数列:

[1, 2, 3, 6, 9, 18, 67, 71, 134, 142, 201, 213, 402, 426, 603, 639, 1206, 1278, 4757, 9514, 14271, 28542, 42813, 85626, 235663, 471326, 706989, 1413978, 2120967, 4241934, 15789421, 16732073, 31578842, 33464146, 47368263, 50196219, 94736526, 100392438, 142104789, 150588657, 284209578, 301177314, 1121048891, 2242097782, 3363146673, 6726293346, 10089440019, 20178880038]

約数ペア:

[(1, 20178880038), (2, 10089440019), (3, 6726293346), (6, 3363146673), (9, 2242097782), (18, 1121048891), (67, 301177314), (71, 284209578), (134, 150588657), (142, 142104789), (201, 100392438), (213, 94736526), (402, 50196219), (426, 47368263), (603, 33464146), (639, 31578842), (1206, 16732073), (1278, 15789421), (4757, 4241934), (9514, 2120967), (14271, 1413978), (28542, 706989), (42813, 471326), (85626, 235663)]