20149105878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{648173}}^1$

素因数の和:648349

約数の個数: 48

約数和(自身を含む): 47928578256

約数和(自身を除く): 27779472378

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 157, 198, 314, 471, 942, 1413, 1727, 2826, 3454, 5181, 10362, 15543, 31086, 648173, 1296346, 1944519, 3889038, 5833557, 7129903, 11667114, 14259806, 21389709, 42779418, 64169127, 101763161, 128338254, 203526322, 305289483, 610578966, 915868449, 1119394771, 1831736898, 2238789542, 3358184313, 6716368626, 10074552939, 20149105878]

約数ペア:

[(1, 20149105878), (2, 10074552939), (3, 6716368626), (6, 3358184313), (9, 2238789542), (11, 1831736898), (18, 1119394771), (22, 915868449), (33, 610578966), (66, 305289483), (99, 203526322), (157, 128338254), (198, 101763161), (314, 64169127), (471, 42779418), (942, 21389709), (1413, 14259806), (1727, 11667114), (2826, 7129903), (3454, 5833557), (5181, 3889038), (10362, 1944519), (15543, 1296346), (31086, 648173)]